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Finding the Fourth Proportional to 60,982.58, 91,471.10 and 25,429.24

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Solution

The fourth proportional to 60,982.58, 91,471.10 and 25,429.24 is: 38,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,982.58 : 91,471.10 = 25,429.24 : x
  2. Step 2: Convert to fraction form
    60,982.58/91,471.10 = 25,429.24/x
  3. Step 3: Cross multiply
    60,982.58x = 91,471.10 × 25,429.24
  4. Step 4: Simplify right side
    60,982.58x = 2,326,040,554.96
  5. Step 5: Solve for x
    x = 2,326,040,554.96/60,982.58
  6. Step 6: Final answer
    x = 38,142.70

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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.