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Finding the Fourth Proportional to 62,780.54, 93,935.49 and 37,387.16

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Solution

The fourth proportional to 62,780.54, 93,935.49 and 37,387.16 is: 55,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.54 : 93,935.49 = 37,387.16 : x
  2. Step 2: Convert to fraction form
    62,780.54/93,935.49 = 37,387.16/x
  3. Step 3: Cross multiply
    62,780.54x = 93,935.49 × 37,387.16
  4. Step 4: Simplify right side
    62,780.54x = 3,511,981,194.31
  5. Step 5: Solve for x
    x = 3,511,981,194.31/62,780.54
  6. Step 6: Final answer
    x = 55,940.60

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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.