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Finding the Fourth Proportional to 22,751.96, 34,250.78 and 20,463.23

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Solution

The fourth proportional to 22,751.96, 34,250.78 and 20,463.23 is: 30,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.96 : 34,250.78 = 20,463.23 : x
  2. Step 2: Convert to fraction form
    22,751.96/34,250.78 = 20,463.23/x
  3. Step 3: Cross multiply
    22,751.96x = 34,250.78 × 20,463.23
  4. Step 4: Simplify right side
    22,751.96x = 700,881,725.60
  5. Step 5: Solve for x
    x = 700,881,725.60/22,751.96
  6. Step 6: Final answer
    x = 30,805.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.