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Finding the Fourth Proportional to 17,904.72, 24,708.96 and 9,947.70

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Solution

The fourth proportional to 17,904.72, 24,708.96 and 9,947.70 is: 13,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.72 : 24,708.96 = 9,947.70 : x
  2. Step 2: Convert to fraction form
    17,904.72/24,708.96 = 9,947.70/x
  3. Step 3: Cross multiply
    17,904.72x = 24,708.96 × 9,947.70
  4. Step 4: Simplify right side
    17,904.72x = 245,797,321.39
  5. Step 5: Solve for x
    x = 245,797,321.39/17,904.72
  6. Step 6: Final answer
    x = 13,728.07

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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.