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Finding the Fourth Proportional to 5,811.22, 7,988.60 and 5,000.73

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Solution

The fourth proportional to 5,811.22, 7,988.60 and 5,000.73 is: 6,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.22 : 7,988.60 = 5,000.73 : x
  2. Step 2: Convert to fraction form
    5,811.22/7,988.60 = 5,000.73/x
  3. Step 3: Cross multiply
    5,811.22x = 7,988.60 × 5,000.73
  4. Step 4: Simplify right side
    5,811.22x = 39,948,831.68
  5. Step 5: Solve for x
    x = 39,948,831.68/5,811.22
  6. Step 6: Final answer
    x = 6,874.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.