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Finding the Fourth Proportional to 4,591.50, 6,337.89 and 2,728.50

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Solution

The fourth proportional to 4,591.50, 6,337.89 and 2,728.50 is: 3,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.50 : 6,337.89 = 2,728.50 : x
  2. Step 2: Convert to fraction form
    4,591.50/6,337.89 = 2,728.50/x
  3. Step 3: Cross multiply
    4,591.50x = 6,337.89 × 2,728.50
  4. Step 4: Simplify right side
    4,591.50x = 17,292,932.87
  5. Step 5: Solve for x
    x = 17,292,932.87/4,591.50
  6. Step 6: Final answer
    x = 3,766.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.