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Finding the Fourth Proportional to 8,404.76, 12,607.12 and 2,248.76

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Solution

The fourth proportional to 8,404.76, 12,607.12 and 2,248.76 is: 3,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.76 : 12,607.12 = 2,248.76 : x
  2. Step 2: Convert to fraction form
    8,404.76/12,607.12 = 2,248.76/x
  3. Step 3: Cross multiply
    8,404.76x = 12,607.12 × 2,248.76
  4. Step 4: Simplify right side
    8,404.76x = 28,350,387.17
  5. Step 5: Solve for x
    x = 28,350,387.17/8,404.76
  6. Step 6: Final answer
    x = 3,373.13

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1.5x scale

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.