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Finding the Fourth Proportional to 8,247.92, 12,371.88 and 2,404.40

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Solution

The fourth proportional to 8,247.92, 12,371.88 and 2,404.40 is: 3,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.92 : 12,371.88 = 2,404.40 : x
  2. Step 2: Convert to fraction form
    8,247.92/12,371.88 = 2,404.40/x
  3. Step 3: Cross multiply
    8,247.92x = 12,371.88 × 2,404.40
  4. Step 4: Simplify right side
    8,247.92x = 29,746,948.27
  5. Step 5: Solve for x
    x = 29,746,948.27/8,247.92
  6. Step 6: Final answer
    x = 3,606.60

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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.