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Finding the Fourth Proportional to 2,439.92, 3,659.87 and 591.03

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Solution

The fourth proportional to 2,439.92, 3,659.87 and 591.03 is: 886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.92 : 3,659.87 = 591.03 : x
  2. Step 2: Convert to fraction form
    2,439.92/3,659.87 = 591.03/x
  3. Step 3: Cross multiply
    2,439.92x = 3,659.87 × 591.03
  4. Step 4: Simplify right side
    2,439.92x = 2,163,101.66
  5. Step 5: Solve for x
    x = 2,163,101.66/2,439.92
  6. Step 6: Final answer
    x = 886.55

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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.