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Finding the Fourth Proportional to 60,906.65, 91,375.52 and 25,356.16

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Solution

The fourth proportional to 60,906.65, 91,375.52 and 25,356.16 is: 38,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.65 : 91,375.52 = 25,356.16 : x
  2. Step 2: Convert to fraction form
    60,906.65/91,375.52 = 25,356.16/x
  3. Step 3: Cross multiply
    60,906.65x = 91,375.52 × 25,356.16
  4. Step 4: Simplify right side
    60,906.65x = 2,316,932,305.20
  5. Step 5: Solve for x
    x = 2,316,932,305.20/60,906.65
  6. Step 6: Final answer
    x = 38,040.71

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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.