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Finding the Fourth Proportional to 5,487.12, 8,234.88 and 3,832.88

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Solution

The fourth proportional to 5,487.12, 8,234.88 and 3,832.88 is: 5,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.12 : 8,234.88 = 3,832.88 : x
  2. Step 2: Convert to fraction form
    5,487.12/8,234.88 = 3,832.88/x
  3. Step 3: Cross multiply
    5,487.12x = 8,234.88 × 3,832.88
  4. Step 4: Simplify right side
    5,487.12x = 31,563,306.85
  5. Step 5: Solve for x
    x = 31,563,306.85/5,487.12
  6. Step 6: Final answer
    x = 5,752.25

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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.