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Finding the Fourth Proportional to 15,168.98, 22,737.88 and 5,806.80

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Solution

The fourth proportional to 15,168.98, 22,737.88 and 5,806.80 is: 8,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.98 : 22,737.88 = 5,806.80 : x
  2. Step 2: Convert to fraction form
    15,168.98/22,737.88 = 5,806.80/x
  3. Step 3: Cross multiply
    15,168.98x = 22,737.88 × 5,806.80
  4. Step 4: Simplify right side
    15,168.98x = 132,034,321.58
  5. Step 5: Solve for x
    x = 132,034,321.58/15,168.98
  6. Step 6: Final answer
    x = 8,704.23

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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.