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Finding the Fourth Proportional to 40,077.04, 60,121.02 and 16,698

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Solution

The fourth proportional to 40,077.04, 60,121.02 and 16,698 is: 25,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.04 : 60,121.02 = 16,698 : x
  2. Step 2: Convert to fraction form
    40,077.04/60,121.02 = 16,698/x
  3. Step 3: Cross multiply
    40,077.04x = 60,121.02 × 16,698
  4. Step 4: Simplify right side
    40,077.04x = 1,003,900,791.96
  5. Step 5: Solve for x
    x = 1,003,900,791.96/40,077.04
  6. Step 6: Final answer
    x = 25,049.27

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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.