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Finding the Fourth Proportional to 39,392.76, 59,092.82 and 15,694.56

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Solution

The fourth proportional to 39,392.76, 59,092.82 and 15,694.56 is: 23,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.76 : 59,092.82 = 15,694.56 : x
  2. Step 2: Convert to fraction form
    39,392.76/59,092.82 = 15,694.56/x
  3. Step 3: Cross multiply
    39,392.76x = 59,092.82 × 15,694.56
  4. Step 4: Simplify right side
    39,392.76x = 927,435,730.59
  5. Step 5: Solve for x
    x = 927,435,730.59/39,392.76
  6. Step 6: Final answer
    x = 23,543.30

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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.