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Finding the Fourth Proportional to 5,375.92, 8,062.52 and 1,913.18

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Solution

The fourth proportional to 5,375.92, 8,062.52 and 1,913.18 is: 2,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.92 : 8,062.52 = 1,913.18 : x
  2. Step 2: Convert to fraction form
    5,375.92/8,062.52 = 1,913.18/x
  3. Step 3: Cross multiply
    5,375.92x = 8,062.52 × 1,913.18
  4. Step 4: Simplify right side
    5,375.92x = 15,425,052.01
  5. Step 5: Solve for x
    x = 15,425,052.01/5,375.92
  6. Step 6: Final answer
    x = 2,869.29

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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.