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Finding the Fourth Proportional to 5,672.32, 8,508.46 and 3,091.66

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Solution

The fourth proportional to 5,672.32, 8,508.46 and 3,091.66 is: 4,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.32 : 8,508.46 = 3,091.66 : x
  2. Step 2: Convert to fraction form
    5,672.32/8,508.46 = 3,091.66/x
  3. Step 3: Cross multiply
    5,672.32x = 8,508.46 × 3,091.66
  4. Step 4: Simplify right side
    5,672.32x = 26,305,265.44
  5. Step 5: Solve for x
    x = 26,305,265.44/5,672.32
  6. Step 6: Final answer
    x = 4,637.48

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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.