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Finding the Fourth Proportional to 17,493.12, 24,144.12 and 9,939.96

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Solution

The fourth proportional to 17,493.12, 24,144.12 and 9,939.96 is: 13,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493.12 : 24,144.12 = 9,939.96 : x
  2. Step 2: Convert to fraction form
    17,493.12/24,144.12 = 9,939.96/x
  3. Step 3: Cross multiply
    17,493.12x = 24,144.12 × 9,939.96
  4. Step 4: Simplify right side
    17,493.12x = 239,991,587.04
  5. Step 5: Solve for x
    x = 239,991,587.04/17,493.12
  6. Step 6: Final answer
    x = 13,719.20

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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.