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Finding the Fourth Proportional to 8,876.04, 12,247.92 and 5,514

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Solution

The fourth proportional to 8,876.04, 12,247.92 and 5,514 is: 7,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.04 : 12,247.92 = 5,514 : x
  2. Step 2: Convert to fraction form
    8,876.04/12,247.92 = 5,514/x
  3. Step 3: Cross multiply
    8,876.04x = 12,247.92 × 5,514
  4. Step 4: Simplify right side
    8,876.04x = 67,535,030.88
  5. Step 5: Solve for x
    x = 67,535,030.88/8,876.04
  6. Step 6: Final answer
    x = 7,608.69

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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.