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Finding the Fourth Proportional to 5,987.40, 8,982.20 and 2,475.50

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Solution

The fourth proportional to 5,987.40, 8,982.20 and 2,475.50 is: 3,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.40 : 8,982.20 = 2,475.50 : x
  2. Step 2: Convert to fraction form
    5,987.40/8,982.20 = 2,475.50/x
  3. Step 3: Cross multiply
    5,987.40x = 8,982.20 × 2,475.50
  4. Step 4: Simplify right side
    5,987.40x = 22,235,446.18
  5. Step 5: Solve for x
    x = 22,235,446.18/5,987.40
  6. Step 6: Final answer
    x = 3,713.71

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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.