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Finding the Fourth Proportional to 69,812.39, 96,338.29 and 37,981.42

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Solution

The fourth proportional to 69,812.39, 96,338.29 and 37,981.42 is: 52,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.39 : 96,338.29 = 37,981.42 : x
  2. Step 2: Convert to fraction form
    69,812.39/96,338.29 = 37,981.42/x
  3. Step 3: Cross multiply
    69,812.39x = 96,338.29 × 37,981.42
  4. Step 4: Simplify right side
    69,812.39x = 3,659,065,054.57
  5. Step 5: Solve for x
    x = 3,659,065,054.57/69,812.39
  6. Step 6: Final answer
    x = 52,412.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.