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Finding the Fourth Proportional to 55,270.10, 82,932.15 and 25,672.70

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Solution

The fourth proportional to 55,270.10, 82,932.15 and 25,672.70 is: 38,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.10 : 82,932.15 = 25,672.70 : x
  2. Step 2: Convert to fraction form
    55,270.10/82,932.15 = 25,672.70/x
  3. Step 3: Cross multiply
    55,270.10x = 82,932.15 × 25,672.70
  4. Step 4: Simplify right side
    55,270.10x = 2,129,092,207.31
  5. Step 5: Solve for x
    x = 2,129,092,207.31/55,270.10
  6. Step 6: Final answer
    x = 38,521.59

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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.