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Finding the Fourth Proportional to 62,487.40, 93,731.10 and 36,259.60

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Solution

The fourth proportional to 62,487.40, 93,731.10 and 36,259.60 is: 54,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.40 : 93,731.10 = 36,259.60 : x
  2. Step 2: Convert to fraction form
    62,487.40/93,731.10 = 36,259.60/x
  3. Step 3: Cross multiply
    62,487.40x = 93,731.10 × 36,259.60
  4. Step 4: Simplify right side
    62,487.40x = 3,398,652,193.56
  5. Step 5: Solve for x
    x = 3,398,652,193.56/62,487.40
  6. Step 6: Final answer
    x = 54,389.40

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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.