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Finding the Fourth Proportional to 49,969.88, 74,963.82 and 16,686.68

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Solution

The fourth proportional to 49,969.88, 74,963.82 and 16,686.68 is: 25,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,969.88 : 74,963.82 = 16,686.68 : x
  2. Step 2: Convert to fraction form
    49,969.88/74,963.82 = 16,686.68/x
  3. Step 3: Cross multiply
    49,969.88x = 74,963.82 × 16,686.68
  4. Step 4: Simplify right side
    49,969.88x = 1,250,897,275.92
  5. Step 5: Solve for x
    x = 1,250,897,275.92/49,969.88
  6. Step 6: Final answer
    x = 25,033.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.