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Finding the Fourth Proportional to 69,015.96, 95,245.41 and 38,810.79

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Solution

The fourth proportional to 69,015.96, 95,245.41 and 38,810.79 is: 53,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.96 : 95,245.41 = 38,810.79 : x
  2. Step 2: Convert to fraction form
    69,015.96/95,245.41 = 38,810.79/x
  3. Step 3: Cross multiply
    69,015.96x = 95,245.41 × 38,810.79
  4. Step 4: Simplify right side
    69,015.96x = 3,696,549,605.97
  5. Step 5: Solve for x
    x = 3,696,549,605.97/69,015.96
  6. Step 6: Final answer
    x = 53,560.79

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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.