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Finding the Fourth Proportional to 17,917.92, 24,727.02 and 9,851.91

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Solution

The fourth proportional to 17,917.92, 24,727.02 and 9,851.91 is: 13,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.92 : 24,727.02 = 9,851.91 : x
  2. Step 2: Convert to fraction form
    17,917.92/24,727.02 = 9,851.91/x
  3. Step 3: Cross multiply
    17,917.92x = 24,727.02 × 9,851.91
  4. Step 4: Simplify right side
    17,917.92x = 243,608,375.61
  5. Step 5: Solve for x
    x = 243,608,375.61/17,917.92
  6. Step 6: Final answer
    x = 13,595.80

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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.