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Finding the Fourth Proportional to 8,262.48, 12,391.10 and 2,714.52

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Solution

The fourth proportional to 8,262.48, 12,391.10 and 2,714.52 is: 4,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.48 : 12,391.10 = 2,714.52 : x
  2. Step 2: Convert to fraction form
    8,262.48/12,391.10 = 2,714.52/x
  3. Step 3: Cross multiply
    8,262.48x = 12,391.10 × 2,714.52
  4. Step 4: Simplify right side
    8,262.48x = 33,635,875.20
  5. Step 5: Solve for x
    x = 33,635,875.20/8,262.48
  6. Step 6: Final answer
    x = 4,070.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.