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Finding the Fourth Proportional to 20,592.52, 30,891.18 and 7,451.08

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Solution

The fourth proportional to 20,592.52, 30,891.18 and 7,451.08 is: 11,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.52 : 30,891.18 = 7,451.08 : x
  2. Step 2: Convert to fraction form
    20,592.52/30,891.18 = 7,451.08/x
  3. Step 3: Cross multiply
    20,592.52x = 30,891.18 × 7,451.08
  4. Step 4: Simplify right side
    20,592.52x = 230,172,653.47
  5. Step 5: Solve for x
    x = 230,172,653.47/20,592.52
  6. Step 6: Final answer
    x = 11,177.49

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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.