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Finding the Fourth Proportional to 8,854.75, 13,282.13 and 3,660.76

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Solution

The fourth proportional to 8,854.75, 13,282.13 and 3,660.76 is: 5,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.75 : 13,282.13 = 3,660.76 : x
  2. Step 2: Convert to fraction form
    8,854.75/13,282.13 = 3,660.76/x
  3. Step 3: Cross multiply
    8,854.75x = 13,282.13 × 3,660.76
  4. Step 4: Simplify right side
    8,854.75x = 48,622,690.22
  5. Step 5: Solve for x
    x = 48,622,690.22/8,854.75
  6. Step 6: Final answer
    x = 5,491.14

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Similar ratio
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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.