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Finding the Fourth Proportional to 62,632.91, 93,957.82 and 18,259.31

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Solution

The fourth proportional to 62,632.91, 93,957.82 and 18,259.31 is: 27,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,632.91 : 93,957.82 = 18,259.31 : x
  2. Step 2: Convert to fraction form
    62,632.91/93,957.82 = 18,259.31/x
  3. Step 3: Cross multiply
    62,632.91x = 93,957.82 × 18,259.31
  4. Step 4: Simplify right side
    62,632.91x = 1,715,605,151.55
  5. Step 5: Solve for x
    x = 1,715,605,151.55/62,632.91
  6. Step 6: Final answer
    x = 27,391.43

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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.