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Finding the Fourth Proportional to 37,155.70, 51,279.09 and 22,251.70

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Solution

The fourth proportional to 37,155.70, 51,279.09 and 22,251.70 is: 30,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.70 : 51,279.09 = 22,251.70 : x
  2. Step 2: Convert to fraction form
    37,155.70/51,279.09 = 22,251.70/x
  3. Step 3: Cross multiply
    37,155.70x = 51,279.09 × 22,251.70
  4. Step 4: Simplify right side
    37,155.70x = 1,141,046,926.95
  5. Step 5: Solve for x
    x = 1,141,046,926.95/37,155.70
  6. Step 6: Final answer
    x = 30,709.88

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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.