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Finding the Fourth Proportional to 17,499.60, 24,147.36 and 9,943.20

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Solution

The fourth proportional to 17,499.60, 24,147.36 and 9,943.20 is: 13,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,499.60 : 24,147.36 = 9,943.20 : x
  2. Step 2: Convert to fraction form
    17,499.60/24,147.36 = 9,943.20/x
  3. Step 3: Cross multiply
    17,499.60x = 24,147.36 × 9,943.20
  4. Step 4: Simplify right side
    17,499.60x = 240,102,029.95
  5. Step 5: Solve for x
    x = 240,102,029.95/17,499.60
  6. Step 6: Final answer
    x = 13,720.43

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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.