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Finding the Fourth Proportional to 25,160.88, 37,746.90 and 8,519.52

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Solution

The fourth proportional to 25,160.88, 37,746.90 and 8,519.52 is: 12,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.88 : 37,746.90 = 8,519.52 : x
  2. Step 2: Convert to fraction form
    25,160.88/37,746.90 = 8,519.52/x
  3. Step 3: Cross multiply
    25,160.88x = 37,746.90 × 8,519.52
  4. Step 4: Simplify right side
    25,160.88x = 321,585,469.49
  5. Step 5: Solve for x
    x = 321,585,469.49/25,160.88
  6. Step 6: Final answer
    x = 12,781.17

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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.