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Finding the Fourth Proportional to 17,519.78, 24,167.21 and 10,351.78

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Solution

The fourth proportional to 17,519.78, 24,167.21 and 10,351.78 is: 14,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,519.78 : 24,167.21 = 10,351.78 : x
  2. Step 2: Convert to fraction form
    17,519.78/24,167.21 = 10,351.78/x
  3. Step 3: Cross multiply
    17,519.78x = 24,167.21 × 10,351.78
  4. Step 4: Simplify right side
    17,519.78x = 250,173,641.13
  5. Step 5: Solve for x
    x = 250,173,641.13/17,519.78
  6. Step 6: Final answer
    x = 14,279.50

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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.