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Finding the Fourth Proportional to 42,295.52, 63,387.28 and 22,531.52

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Solution

The fourth proportional to 42,295.52, 63,387.28 and 22,531.52 is: 33,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.52 : 63,387.28 = 22,531.52 : x
  2. Step 2: Convert to fraction form
    42,295.52/63,387.28 = 22,531.52/x
  3. Step 3: Cross multiply
    42,295.52x = 63,387.28 × 22,531.52
  4. Step 4: Simplify right side
    42,295.52x = 1,428,211,767.07
  5. Step 5: Solve for x
    x = 1,428,211,767.07/42,295.52
  6. Step 6: Final answer
    x = 33,767.45

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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.