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Finding the Fourth Proportional to 17,487.01, 24,135.80 and 11,519.20

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Solution

The fourth proportional to 17,487.01, 24,135.80 and 11,519.20 is: 15,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.01 : 24,135.80 = 11,519.20 : x
  2. Step 2: Convert to fraction form
    17,487.01/24,135.80 = 11,519.20/x
  3. Step 3: Cross multiply
    17,487.01x = 24,135.80 × 11,519.20
  4. Step 4: Simplify right side
    17,487.01x = 278,025,107.36
  5. Step 5: Solve for x
    x = 278,025,107.36/17,487.01
  6. Step 6: Final answer
    x = 15,898.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.