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Finding the Fourth Proportional to 13,732.92, 20,599.20 and 3,344.76

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Solution

The fourth proportional to 13,732.92, 20,599.20 and 3,344.76 is: 5,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.92 : 20,599.20 = 3,344.76 : x
  2. Step 2: Convert to fraction form
    13,732.92/20,599.20 = 3,344.76/x
  3. Step 3: Cross multiply
    13,732.92x = 20,599.20 × 3,344.76
  4. Step 4: Simplify right side
    13,732.92x = 68,899,380.19
  5. Step 5: Solve for x
    x = 68,899,380.19/13,732.92
  6. Step 6: Final answer
    x = 5,017.10

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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.