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Finding the Fourth Proportional to 62,666.96, 93,978.56 and 25,217.32

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Solution

The fourth proportional to 62,666.96, 93,978.56 and 25,217.32 is: 37,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.96 : 93,978.56 = 25,217.32 : x
  2. Step 2: Convert to fraction form
    62,666.96/93,978.56 = 25,217.32/x
  3. Step 3: Cross multiply
    62,666.96x = 93,978.56 × 25,217.32
  4. Step 4: Simplify right side
    62,666.96x = 2,369,887,420.66
  5. Step 5: Solve for x
    x = 2,369,887,420.66/62,666.96
  6. Step 6: Final answer
    x = 37,817.18

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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.