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Finding the Fourth Proportional to 5,693.88, 8,545.14 and 3,937.80

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Solution

The fourth proportional to 5,693.88, 8,545.14 and 3,937.80 is: 5,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.88 : 8,545.14 = 3,937.80 : x
  2. Step 2: Convert to fraction form
    5,693.88/8,545.14 = 3,937.80/x
  3. Step 3: Cross multiply
    5,693.88x = 8,545.14 × 3,937.80
  4. Step 4: Simplify right side
    5,693.88x = 33,649,052.29
  5. Step 5: Solve for x
    x = 33,649,052.29/5,693.88
  6. Step 6: Final answer
    x = 5,909.69

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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.