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Finding the Fourth Proportional to 42,592.70, 63,807.17 and 23,815.80

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Solution

The fourth proportional to 42,592.70, 63,807.17 and 23,815.80 is: 35,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,592.70 : 63,807.17 = 23,815.80 : x
  2. Step 2: Convert to fraction form
    42,592.70/63,807.17 = 23,815.80/x
  3. Step 3: Cross multiply
    42,592.70x = 63,807.17 × 23,815.80
  4. Step 4: Simplify right side
    42,592.70x = 1,519,618,680.21
  5. Step 5: Solve for x
    x = 1,519,618,680.21/42,592.70
  6. Step 6: Final answer
    x = 35,677.91

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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.