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Finding the Fourth Proportional to 17,701.11, 26,568.08 and 8,942.18

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Solution

The fourth proportional to 17,701.11, 26,568.08 and 8,942.18 is: 13,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.11 : 26,568.08 = 8,942.18 : x
  2. Step 2: Convert to fraction form
    17,701.11/26,568.08 = 8,942.18/x
  3. Step 3: Cross multiply
    17,701.11x = 26,568.08 × 8,942.18
  4. Step 4: Simplify right side
    17,701.11x = 237,576,376.06
  5. Step 5: Solve for x
    x = 237,576,376.06/17,701.11
  6. Step 6: Final answer
    x = 13,421.55

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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.