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Finding the Fourth Proportional to 49,503, 68,286.18 and 29,340.09

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Solution

The fourth proportional to 49,503, 68,286.18 and 29,340.09 is: 40,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503 : 68,286.18 = 29,340.09 : x
  2. Step 2: Convert to fraction form
    49,503/68,286.18 = 29,340.09/x
  3. Step 3: Cross multiply
    49,503x = 68,286.18 × 29,340.09
  4. Step 4: Simplify right side
    49,503x = 2,003,522,666.96
  5. Step 5: Solve for x
    x = 2,003,522,666.96/49,503
  6. Step 6: Final answer
    x = 40,472.75

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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.