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Finding the Fourth Proportional to 8,871.48, 12,242.19 and 5,092.02

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Solution

The fourth proportional to 8,871.48, 12,242.19 and 5,092.02 is: 7,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.48 : 12,242.19 = 5,092.02 : x
  2. Step 2: Convert to fraction form
    8,871.48/12,242.19 = 5,092.02/x
  3. Step 3: Cross multiply
    8,871.48x = 12,242.19 × 5,092.02
  4. Step 4: Simplify right side
    8,871.48x = 62,337,476.32
  5. Step 5: Solve for x
    x = 62,337,476.32/8,871.48
  6. Step 6: Final answer
    x = 7,026.73

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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.