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Finding the Fourth Proportional to 66,957.13, 92,396.32 and 36,744.39

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Solution

The fourth proportional to 66,957.13, 92,396.32 and 36,744.39 is: 50,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.13 : 92,396.32 = 36,744.39 : x
  2. Step 2: Convert to fraction form
    66,957.13/92,396.32 = 36,744.39/x
  3. Step 3: Cross multiply
    66,957.13x = 92,396.32 × 36,744.39
  4. Step 4: Simplify right side
    66,957.13x = 3,395,046,428.13
  5. Step 5: Solve for x
    x = 3,395,046,428.13/66,957.13
  6. Step 6: Final answer
    x = 50,704.78

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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.