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Finding the Fourth Proportional to 22,793.20, 34,141.20 and 19,877.20

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Solution

The fourth proportional to 22,793.20, 34,141.20 and 19,877.20 is: 29,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.20 : 34,141.20 = 19,877.20 : x
  2. Step 2: Convert to fraction form
    22,793.20/34,141.20 = 19,877.20/x
  3. Step 3: Cross multiply
    22,793.20x = 34,141.20 × 19,877.20
  4. Step 4: Simplify right side
    22,793.20x = 678,631,460.64
  5. Step 5: Solve for x
    x = 678,631,460.64/22,793.20
  6. Step 6: Final answer
    x = 29,773.42

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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.