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Finding the Fourth Proportional to 18,959.16, 26,163.18 and 11,002.04

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Solution

The fourth proportional to 18,959.16, 26,163.18 and 11,002.04 is: 15,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.16 : 26,163.18 = 11,002.04 : x
  2. Step 2: Convert to fraction form
    18,959.16/26,163.18 = 11,002.04/x
  3. Step 3: Cross multiply
    18,959.16x = 26,163.18 × 11,002.04
  4. Step 4: Simplify right side
    18,959.16x = 287,848,352.89
  5. Step 5: Solve for x
    x = 287,848,352.89/18,959.16
  6. Step 6: Final answer
    x = 15,182.55

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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.