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Finding the Fourth Proportional to 60,888, 91,359.36 and 38,695.62

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Solution

The fourth proportional to 60,888, 91,359.36 and 38,695.62 is: 58,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888 : 91,359.36 = 38,695.62 : x
  2. Step 2: Convert to fraction form
    60,888/91,359.36 = 38,695.62/x
  3. Step 3: Cross multiply
    60,888x = 91,359.36 × 38,695.62
  4. Step 4: Simplify right side
    60,888x = 3,535,207,078.00
  5. Step 5: Solve for x
    x = 3,535,207,078.00/60,888
  6. Step 6: Final answer
    x = 58,060.82

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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.