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Finding the Fourth Proportional to 5,168.88, 7,753.32 and 1,706.13

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Solution

The fourth proportional to 5,168.88, 7,753.32 and 1,706.13 is: 2,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.88 : 7,753.32 = 1,706.13 : x
  2. Step 2: Convert to fraction form
    5,168.88/7,753.32 = 1,706.13/x
  3. Step 3: Cross multiply
    5,168.88x = 7,753.32 × 1,706.13
  4. Step 4: Simplify right side
    5,168.88x = 13,228,171.85
  5. Step 5: Solve for x
    x = 13,228,171.85/5,168.88
  6. Step 6: Final answer
    x = 2,559.20

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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.