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Finding the Fourth Proportional to 5,998.40, 8,997.60 and 4,248.80

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Solution

The fourth proportional to 5,998.40, 8,997.60 and 4,248.80 is: 6,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.40 : 8,997.60 = 4,248.80 : x
  2. Step 2: Convert to fraction form
    5,998.40/8,997.60 = 4,248.80/x
  3. Step 3: Cross multiply
    5,998.40x = 8,997.60 × 4,248.80
  4. Step 4: Simplify right side
    5,998.40x = 38,229,002.88
  5. Step 5: Solve for x
    x = 38,229,002.88/5,998.40
  6. Step 6: Final answer
    x = 6,373.20

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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.