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Finding the Fourth Proportional to 25,222.01, 37,832.92 and 7,691.79

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Solution

The fourth proportional to 25,222.01, 37,832.92 and 7,691.79 is: 11,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.01 : 37,832.92 = 7,691.79 : x
  2. Step 2: Convert to fraction form
    25,222.01/37,832.92 = 7,691.79/x
  3. Step 3: Cross multiply
    25,222.01x = 37,832.92 × 7,691.79
  4. Step 4: Simplify right side
    25,222.01x = 291,002,856.50
  5. Step 5: Solve for x
    x = 291,002,856.50/25,222.01
  6. Step 6: Final answer
    x = 11,537.65

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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.