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Finding the Fourth Proportional to 67,419.24, 101,141.88 and 25,863

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Solution

The fourth proportional to 67,419.24, 101,141.88 and 25,863 is: 38,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419.24 : 101,141.88 = 25,863 : x
  2. Step 2: Convert to fraction form
    67,419.24/101,141.88 = 25,863/x
  3. Step 3: Cross multiply
    67,419.24x = 101,141.88 × 25,863
  4. Step 4: Simplify right side
    67,419.24x = 2,615,832,442.44
  5. Step 5: Solve for x
    x = 2,615,832,442.44/67,419.24
  6. Step 6: Final answer
    x = 38,799.49

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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.