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Finding the Fourth Proportional to 22,029.36, 30,337.92 and 19,375.92

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Solution

The fourth proportional to 22,029.36, 30,337.92 and 19,375.92 is: 26,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.36 : 30,337.92 = 19,375.92 : x
  2. Step 2: Convert to fraction form
    22,029.36/30,337.92 = 19,375.92/x
  3. Step 3: Cross multiply
    22,029.36x = 30,337.92 × 19,375.92
  4. Step 4: Simplify right side
    22,029.36x = 587,825,110.89
  5. Step 5: Solve for x
    x = 587,825,110.89/22,029.36
  6. Step 6: Final answer
    x = 26,683.71

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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.