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Finding the Fourth Proportional to 10,572,431.40, 14,831,263.80 and 10,572,431.40

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Solution

The fourth proportional to 10,572,431.40, 14,831,263.80 and 10,572,431.40 is: 14,831,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,431.40 : 14,831,263.80 = 10,572,431.40 : x
  2. Step 2: Convert to fraction form
    10,572,431.40/14,831,263.80 = 10,572,431.40/x
  3. Step 3: Cross multiply
    10,572,431.40x = 14,831,263.80 × 10,572,431.40
  4. Step 4: Simplify right side
    10,572,431.40x = 156,802,519,100,803.34
  5. Step 5: Solve for x
    x = 156,802,519,100,803.34/10,572,431.40
  6. Step 6: Final answer
    x = 14,831,263.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.