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Finding the Fourth Proportional to 17,382.54, 26,062.20 and 8,954.50

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Solution

The fourth proportional to 17,382.54, 26,062.20 and 8,954.50 is: 13,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.54 : 26,062.20 = 8,954.50 : x
  2. Step 2: Convert to fraction form
    17,382.54/26,062.20 = 8,954.50/x
  3. Step 3: Cross multiply
    17,382.54x = 26,062.20 × 8,954.50
  4. Step 4: Simplify right side
    17,382.54x = 233,373,969.90
  5. Step 5: Solve for x
    x = 233,373,969.90/17,382.54
  6. Step 6: Final answer
    x = 13,425.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.