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Finding the Fourth Proportional to 11,251.70, 16,876.07 and 2,932.32

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Solution

The fourth proportional to 11,251.70, 16,876.07 and 2,932.32 is: 4,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.70 : 16,876.07 = 2,932.32 : x
  2. Step 2: Convert to fraction form
    11,251.70/16,876.07 = 2,932.32/x
  3. Step 3: Cross multiply
    11,251.70x = 16,876.07 × 2,932.32
  4. Step 4: Simplify right side
    11,251.70x = 49,486,037.58
  5. Step 5: Solve for x
    x = 49,486,037.58/11,251.70
  6. Step 6: Final answer
    x = 4,398.09

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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.