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Finding the Fourth Proportional to 5,648.82, 8,472.83 and 2,873.76

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Solution

The fourth proportional to 5,648.82, 8,472.83 and 2,873.76 is: 4,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.82 : 8,472.83 = 2,873.76 : x
  2. Step 2: Convert to fraction form
    5,648.82/8,472.83 = 2,873.76/x
  3. Step 3: Cross multiply
    5,648.82x = 8,472.83 × 2,873.76
  4. Step 4: Simplify right side
    5,648.82x = 24,348,865.57
  5. Step 5: Solve for x
    x = 24,348,865.57/5,648.82
  6. Step 6: Final answer
    x = 4,310.43

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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.