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Finding the Fourth Proportional to 9,801,935.40, 14,702,903.10 and 5,550,407.40

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Solution

The fourth proportional to 9,801,935.40, 14,702,903.10 and 5,550,407.40 is: 8,325,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801,935.40 : 14,702,903.10 = 5,550,407.40 : x
  2. Step 2: Convert to fraction form
    9,801,935.40/14,702,903.10 = 5,550,407.40/x
  3. Step 3: Cross multiply
    9,801,935.40x = 14,702,903.10 × 5,550,407.40
  4. Step 4: Simplify right side
    9,801,935.40x = 81,607,102,167,722.94
  5. Step 5: Solve for x
    x = 81,607,102,167,722.94/9,801,935.40
  6. Step 6: Final answer
    x = 8,325,611.10

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Double scale
Find fourth proportional to 9,801,936.40, 14,702,904.60 and 5,550,408.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.