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Finding the Fourth Proportional to 8,750.16, 12,042.48 and 8,042.04

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Solution

The fourth proportional to 8,750.16, 12,042.48 and 8,042.04 is: 11,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.16 : 12,042.48 = 8,042.04 : x
  2. Step 2: Convert to fraction form
    8,750.16/12,042.48 = 8,042.04/x
  3. Step 3: Cross multiply
    8,750.16x = 12,042.48 × 8,042.04
  4. Step 4: Simplify right side
    8,750.16x = 96,846,105.86
  5. Step 5: Solve for x
    x = 96,846,105.86/8,750.16
  6. Step 6: Final answer
    x = 11,067.92

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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.