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Finding the Fourth Proportional to 3,060.89, 4,591.34 and 752.39

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Solution

The fourth proportional to 3,060.89, 4,591.34 and 752.39 is: 1,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.89 : 4,591.34 = 752.39 : x
  2. Step 2: Convert to fraction form
    3,060.89/4,591.34 = 752.39/x
  3. Step 3: Cross multiply
    3,060.89x = 4,591.34 × 752.39
  4. Step 4: Simplify right side
    3,060.89x = 3,454,478.30
  5. Step 5: Solve for x
    x = 3,454,478.30/3,060.89
  6. Step 6: Final answer
    x = 1,128.59

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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.