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Finding the Fourth Proportional to 49,687.80, 68,570.70 and 27,028.44

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Solution

The fourth proportional to 49,687.80, 68,570.70 and 27,028.44 is: 37,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,687.80 : 68,570.70 = 27,028.44 : x
  2. Step 2: Convert to fraction form
    49,687.80/68,570.70 = 27,028.44/x
  3. Step 3: Cross multiply
    49,687.80x = 68,570.70 × 27,028.44
  4. Step 4: Simplify right side
    49,687.80x = 1,853,359,050.71
  5. Step 5: Solve for x
    x = 1,853,359,050.71/49,687.80
  6. Step 6: Final answer
    x = 37,300.08

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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.