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Finding the Fourth Proportional to 3,254.92, 4,878.20 and 1,589.42

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Solution

The fourth proportional to 3,254.92, 4,878.20 and 1,589.42 is: 2,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.92 : 4,878.20 = 1,589.42 : x
  2. Step 2: Convert to fraction form
    3,254.92/4,878.20 = 1,589.42/x
  3. Step 3: Cross multiply
    3,254.92x = 4,878.20 × 1,589.42
  4. Step 4: Simplify right side
    3,254.92x = 7,753,524.81
  5. Step 5: Solve for x
    x = 7,753,524.81/3,254.92
  6. Step 6: Final answer
    x = 2,382.10

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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.