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Finding the Fourth Proportional to 22,264.80, 33,394.80 and 9,118.56

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Solution

The fourth proportional to 22,264.80, 33,394.80 and 9,118.56 is: 13,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.80 : 33,394.80 = 9,118.56 : x
  2. Step 2: Convert to fraction form
    22,264.80/33,394.80 = 9,118.56/x
  3. Step 3: Cross multiply
    22,264.80x = 33,394.80 × 9,118.56
  4. Step 4: Simplify right side
    22,264.80x = 304,512,487.49
  5. Step 5: Solve for x
    x = 304,512,487.49/22,264.80
  6. Step 6: Final answer
    x = 13,676.86

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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.