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Finding the Fourth Proportional to 40,443.52, 60,624 and 25,663.36

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Solution

The fourth proportional to 40,443.52, 60,624 and 25,663.36 is: 38,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.52 : 60,624 = 25,663.36 : x
  2. Step 2: Convert to fraction form
    40,443.52/60,624 = 25,663.36/x
  3. Step 3: Cross multiply
    40,443.52x = 60,624 × 25,663.36
  4. Step 4: Simplify right side
    40,443.52x = 1,555,815,536.64
  5. Step 5: Solve for x
    x = 1,555,815,536.64/40,443.52
  6. Step 6: Final answer
    x = 38,468.85

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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.