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Finding the Fourth Proportional to 17,742.92, 26,596.40 and 11,506.90

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Solution

The fourth proportional to 17,742.92, 26,596.40 and 11,506.90 is: 17,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.92 : 26,596.40 = 11,506.90 : x
  2. Step 2: Convert to fraction form
    17,742.92/26,596.40 = 11,506.90/x
  3. Step 3: Cross multiply
    17,742.92x = 26,596.40 × 11,506.90
  4. Step 4: Simplify right side
    17,742.92x = 306,042,115.16
  5. Step 5: Solve for x
    x = 306,042,115.16/17,742.92
  6. Step 6: Final answer
    x = 17,248.69

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