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Finding the Fourth Proportional to 15,171.39, 22,757.07 and 4,227.39

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Solution

The fourth proportional to 15,171.39, 22,757.07 and 4,227.39 is: 6,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.39 : 22,757.07 = 4,227.39 : x
  2. Step 2: Convert to fraction form
    15,171.39/22,757.07 = 4,227.39/x
  3. Step 3: Cross multiply
    15,171.39x = 22,757.07 × 4,227.39
  4. Step 4: Simplify right side
    15,171.39x = 96,203,010.15
  5. Step 5: Solve for x
    x = 96,203,010.15/15,171.39
  6. Step 6: Final answer
    x = 6,341.08

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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.