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Finding the Fourth Proportional to 5,987.12, 8,982.68 and 4,447.44

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Solution

The fourth proportional to 5,987.12, 8,982.68 and 4,447.44 is: 6,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.12 : 8,982.68 = 4,447.44 : x
  2. Step 2: Convert to fraction form
    5,987.12/8,982.68 = 4,447.44/x
  3. Step 3: Cross multiply
    5,987.12x = 8,982.68 × 4,447.44
  4. Step 4: Simplify right side
    5,987.12x = 39,949,930.34
  5. Step 5: Solve for x
    x = 39,949,930.34/5,987.12
  6. Step 6: Final answer
    x = 6,672.65

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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.