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Finding the Fourth Proportional to 38,802.52, 53,553.92 and 22,890.88

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Solution

The fourth proportional to 38,802.52, 53,553.92 and 22,890.88 is: 31,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.52 : 53,553.92 = 22,890.88 : x
  2. Step 2: Convert to fraction form
    38,802.52/53,553.92 = 22,890.88/x
  3. Step 3: Cross multiply
    38,802.52x = 53,553.92 × 22,890.88
  4. Step 4: Simplify right side
    38,802.52x = 1,225,896,356.25
  5. Step 5: Solve for x
    x = 1,225,896,356.25/38,802.52
  6. Step 6: Final answer
    x = 31,593.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.