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Finding the Fourth Proportional to 60,092.64, 90,112.66 and 28,511.71

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Solution

The fourth proportional to 60,092.64, 90,112.66 and 28,511.71 is: 42,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,092.64 : 90,112.66 = 28,511.71 : x
  2. Step 2: Convert to fraction form
    60,092.64/90,112.66 = 28,511.71/x
  3. Step 3: Cross multiply
    60,092.64x = 90,112.66 × 28,511.71
  4. Step 4: Simplify right side
    60,092.64x = 2,569,265,732.69
  5. Step 5: Solve for x
    x = 2,569,265,732.69/60,092.64
  6. Step 6: Final answer
    x = 42,755.08

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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.