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Finding the Fourth Proportional to 15,144.14, 22,725.92 and 7,348.70

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Solution

The fourth proportional to 15,144.14, 22,725.92 and 7,348.70 is: 11,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.14 : 22,725.92 = 7,348.70 : x
  2. Step 2: Convert to fraction form
    15,144.14/22,725.92 = 7,348.70/x
  3. Step 3: Cross multiply
    15,144.14x = 22,725.92 × 7,348.70
  4. Step 4: Simplify right side
    15,144.14x = 167,005,873.05
  5. Step 5: Solve for x
    x = 167,005,873.05/15,144.14
  6. Step 6: Final answer
    x = 11,027.76

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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.