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Finding the Fourth Proportional to 25,354.88, 37,974.28 and 15,472.40

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Solution

The fourth proportional to 25,354.88, 37,974.28 and 15,472.40 is: 23,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.88 : 37,974.28 = 15,472.40 : x
  2. Step 2: Convert to fraction form
    25,354.88/37,974.28 = 15,472.40/x
  3. Step 3: Cross multiply
    25,354.88x = 37,974.28 × 15,472.40
  4. Step 4: Simplify right side
    25,354.88x = 587,553,249.87
  5. Step 5: Solve for x
    x = 587,553,249.87/25,354.88
  6. Step 6: Final answer
    x = 23,173.18

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1.5x scale

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.