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Finding the Fourth Proportional to 22,269.96, 30,729.78 and 13,773.96

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Solution

The fourth proportional to 22,269.96, 30,729.78 and 13,773.96 is: 19,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.96 : 30,729.78 = 13,773.96 : x
  2. Step 2: Convert to fraction form
    22,269.96/30,729.78 = 13,773.96/x
  3. Step 3: Cross multiply
    22,269.96x = 30,729.78 × 13,773.96
  4. Step 4: Simplify right side
    22,269.96x = 423,270,760.53
  5. Step 5: Solve for x
    x = 423,270,760.53/22,269.96
  6. Step 6: Final answer
    x = 19,006.35

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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.