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Finding the Fourth Proportional to 49,651.97, 68,520.15 and 26,991

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Solution

The fourth proportional to 49,651.97, 68,520.15 and 26,991 is: 37,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,651.97 : 68,520.15 = 26,991 : x
  2. Step 2: Convert to fraction form
    49,651.97/68,520.15 = 26,991/x
  3. Step 3: Cross multiply
    49,651.97x = 68,520.15 × 26,991
  4. Step 4: Simplify right side
    49,651.97x = 1,849,427,368.65
  5. Step 5: Solve for x
    x = 1,849,427,368.65/49,651.97
  6. Step 6: Final answer
    x = 37,247.82

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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.