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Finding the Fourth Proportional to 8,871.59, 12,242.38 and 5,092.13

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Solution

The fourth proportional to 8,871.59, 12,242.38 and 5,092.13 is: 7,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.59 : 12,242.38 = 5,092.13 : x
  2. Step 2: Convert to fraction form
    8,871.59/12,242.38 = 5,092.13/x
  3. Step 3: Cross multiply
    8,871.59x = 12,242.38 × 5,092.13
  4. Step 4: Simplify right side
    8,871.59x = 62,339,790.47
  5. Step 5: Solve for x
    x = 62,339,790.47/8,871.59
  6. Step 6: Final answer
    x = 7,026.90

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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.