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Finding the Fourth Proportional to 60,382.56, 90,489.48 and 51,451.24

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Solution

The fourth proportional to 60,382.56, 90,489.48 and 51,451.24 is: 77,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,382.56 : 90,489.48 = 51,451.24 : x
  2. Step 2: Convert to fraction form
    60,382.56/90,489.48 = 51,451.24/x
  3. Step 3: Cross multiply
    60,382.56x = 90,489.48 × 51,451.24
  4. Step 4: Simplify right side
    60,382.56x = 4,655,795,952.96
  5. Step 5: Solve for x
    x = 4,655,795,952.96/60,382.56
  6. Step 6: Final answer
    x = 77,104.98

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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.