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Finding the Fourth Proportional to 9,906.90, 14,854.98 and 4,353.74

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Solution

The fourth proportional to 9,906.90, 14,854.98 and 4,353.74 is: 6,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.90 : 14,854.98 = 4,353.74 : x
  2. Step 2: Convert to fraction form
    9,906.90/14,854.98 = 4,353.74/x
  3. Step 3: Cross multiply
    9,906.90x = 14,854.98 × 4,353.74
  4. Step 4: Simplify right side
    9,906.90x = 64,674,720.63
  5. Step 5: Solve for x
    x = 64,674,720.63/9,906.90
  6. Step 6: Final answer
    x = 6,528.25

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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.