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Finding the Fourth Proportional to 50,687.66, 69,953.28 and 29,465.54

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Solution

The fourth proportional to 50,687.66, 69,953.28 and 29,465.54 is: 40,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687.66 : 69,953.28 = 29,465.54 : x
  2. Step 2: Convert to fraction form
    50,687.66/69,953.28 = 29,465.54/x
  3. Step 3: Cross multiply
    50,687.66x = 69,953.28 × 29,465.54
  4. Step 4: Simplify right side
    50,687.66x = 2,061,211,169.97
  5. Step 5: Solve for x
    x = 2,061,211,169.97/50,687.66
  6. Step 6: Final answer
    x = 40,664.95

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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.