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Finding the Fourth Proportional to 13,706.89, 20,532.93 and 6,301.20

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Solution

The fourth proportional to 13,706.89, 20,532.93 and 6,301.20 is: 9,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.89 : 20,532.93 = 6,301.20 : x
  2. Step 2: Convert to fraction form
    13,706.89/20,532.93 = 6,301.20/x
  3. Step 3: Cross multiply
    13,706.89x = 20,532.93 × 6,301.20
  4. Step 4: Simplify right side
    13,706.89x = 129,382,098.52
  5. Step 5: Solve for x
    x = 129,382,098.52/13,706.89
  6. Step 6: Final answer
    x = 9,439.20

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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.