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Finding the Fourth Proportional to 22,241.46, 33,362.16 and 8,920.46

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Solution

The fourth proportional to 22,241.46, 33,362.16 and 8,920.46 is: 13,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.46 : 33,362.16 = 8,920.46 : x
  2. Step 2: Convert to fraction form
    22,241.46/33,362.16 = 8,920.46/x
  3. Step 3: Cross multiply
    22,241.46x = 33,362.16 × 8,920.46
  4. Step 4: Simplify right side
    22,241.46x = 297,605,813.79
  5. Step 5: Solve for x
    x = 297,605,813.79/22,241.46
  6. Step 6: Final answer
    x = 13,380.68

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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.