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Finding the Fourth Proportional to 22,241.55, 33,362.19 and 8,920.56

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Solution

The fourth proportional to 22,241.55, 33,362.19 and 8,920.56 is: 13,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.55 : 33,362.19 = 8,920.56 : x
  2. Step 2: Convert to fraction form
    22,241.55/33,362.19 = 8,920.56/x
  3. Step 3: Cross multiply
    22,241.55x = 33,362.19 × 8,920.56
  4. Step 4: Simplify right side
    22,241.55x = 297,609,417.63
  5. Step 5: Solve for x
    x = 297,609,417.63/22,241.55
  6. Step 6: Final answer
    x = 13,380.79

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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.