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Finding the Fourth Proportional to 8,601.53, 12,902.29 and 5,679.14

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Solution

The fourth proportional to 8,601.53, 12,902.29 and 5,679.14 is: 8,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.53 : 12,902.29 = 5,679.14 : x
  2. Step 2: Convert to fraction form
    8,601.53/12,902.29 = 5,679.14/x
  3. Step 3: Cross multiply
    8,601.53x = 12,902.29 × 5,679.14
  4. Step 4: Simplify right side
    8,601.53x = 73,273,911.23
  5. Step 5: Solve for x
    x = 73,273,911.23/8,601.53
  6. Step 6: Final answer
    x = 8,518.71

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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.