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Finding the Fourth Proportional to 49,721.75, 68,604.03 and 29,304.62

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Solution

The fourth proportional to 49,721.75, 68,604.03 and 29,304.62 is: 40,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.75 : 68,604.03 = 29,304.62 : x
  2. Step 2: Convert to fraction form
    49,721.75/68,604.03 = 29,304.62/x
  3. Step 3: Cross multiply
    49,721.75x = 68,604.03 × 29,304.62
  4. Step 4: Simplify right side
    49,721.75x = 2,010,415,311.02
  5. Step 5: Solve for x
    x = 2,010,415,311.02/49,721.75
  6. Step 6: Final answer
    x = 40,433.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.