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Finding the Fourth Proportional to 67,942.51, 93,757.50 and 37,729.74

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Solution

The fourth proportional to 67,942.51, 93,757.50 and 37,729.74 is: 52,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,942.51 : 93,757.50 = 37,729.74 : x
  2. Step 2: Convert to fraction form
    67,942.51/93,757.50 = 37,729.74/x
  3. Step 3: Cross multiply
    67,942.51x = 93,757.50 × 37,729.74
  4. Step 4: Simplify right side
    67,942.51x = 3,537,446,098.05
  5. Step 5: Solve for x
    x = 3,537,446,098.05/67,942.51
  6. Step 6: Final answer
    x = 52,065.29

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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.