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Finding the Fourth Proportional to 25,159.53, 37,737.09 and 8,519.18

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Solution

The fourth proportional to 25,159.53, 37,737.09 and 8,519.18 is: 12,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.53 : 37,737.09 = 8,519.18 : x
  2. Step 2: Convert to fraction form
    25,159.53/37,737.09 = 8,519.18/x
  3. Step 3: Cross multiply
    25,159.53x = 37,737.09 × 8,519.18
  4. Step 4: Simplify right side
    25,159.53x = 321,489,156.73
  5. Step 5: Solve for x
    x = 321,489,156.73/25,159.53
  6. Step 6: Final answer
    x = 12,778.03

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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.