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Finding the Fourth Proportional to 22,932.48, 34,369.92 and 8,129.28

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Solution

The fourth proportional to 22,932.48, 34,369.92 and 8,129.28 is: 12,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,932.48 : 34,369.92 = 8,129.28 : x
  2. Step 2: Convert to fraction form
    22,932.48/34,369.92 = 8,129.28/x
  3. Step 3: Cross multiply
    22,932.48x = 34,369.92 × 8,129.28
  4. Step 4: Simplify right side
    22,932.48x = 279,402,703.26
  5. Step 5: Solve for x
    x = 279,402,703.26/22,932.48
  6. Step 6: Final answer
    x = 12,183.71

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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.