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Finding the Fourth Proportional to 22,414.40, 33,686.40 and 19,563.20

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Solution

The fourth proportional to 22,414.40, 33,686.40 and 19,563.20 is: 29,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.40 : 33,686.40 = 19,563.20 : x
  2. Step 2: Convert to fraction form
    22,414.40/33,686.40 = 19,563.20/x
  3. Step 3: Cross multiply
    22,414.40x = 33,686.40 × 19,563.20
  4. Step 4: Simplify right side
    22,414.40x = 659,013,780.48
  5. Step 5: Solve for x
    x = 659,013,780.48/22,414.40
  6. Step 6: Final answer
    x = 29,401.36

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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.