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Finding the Fourth Proportional to 22,793.70, 34,175.70 and 20,460.90

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Solution

The fourth proportional to 22,793.70, 34,175.70 and 20,460.90 is: 30,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.70 : 34,175.70 = 20,460.90 : x
  2. Step 2: Convert to fraction form
    22,793.70/34,175.70 = 20,460.90/x
  3. Step 3: Cross multiply
    22,793.70x = 34,175.70 × 20,460.90
  4. Step 4: Simplify right side
    22,793.70x = 699,265,580.13
  5. Step 5: Solve for x
    x = 699,265,580.13/22,793.70
  6. Step 6: Final answer
    x = 30,678.02

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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.