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Finding the Fourth Proportional to 6,165.44, 8,512.48 and 4,489.92

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Solution

The fourth proportional to 6,165.44, 8,512.48 and 4,489.92 is: 6,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.44 : 8,512.48 = 4,489.92 : x
  2. Step 2: Convert to fraction form
    6,165.44/8,512.48 = 4,489.92/x
  3. Step 3: Cross multiply
    6,165.44x = 8,512.48 × 4,489.92
  4. Step 4: Simplify right side
    6,165.44x = 38,220,354.20
  5. Step 5: Solve for x
    x = 38,220,354.20/6,165.44
  6. Step 6: Final answer
    x = 6,199.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.