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Finding the Fourth Proportional to 22,737.65, 34,043.49 and 11,620.40

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Solution

The fourth proportional to 22,737.65, 34,043.49 and 11,620.40 is: 17,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.65 : 34,043.49 = 11,620.40 : x
  2. Step 2: Convert to fraction form
    22,737.65/34,043.49 = 11,620.40/x
  3. Step 3: Cross multiply
    22,737.65x = 34,043.49 × 11,620.40
  4. Step 4: Simplify right side
    22,737.65x = 395,598,800.98
  5. Step 5: Solve for x
    x = 395,598,800.98/22,737.65
  6. Step 6: Final answer
    x = 17,398.41

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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.