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Finding the Fourth Proportional to 17,093.10, 25,639.65 and 15,537.90

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Solution

The fourth proportional to 17,093.10, 25,639.65 and 15,537.90 is: 23,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.10 : 25,639.65 = 15,537.90 : x
  2. Step 2: Convert to fraction form
    17,093.10/25,639.65 = 15,537.90/x
  3. Step 3: Cross multiply
    17,093.10x = 25,639.65 × 15,537.90
  4. Step 4: Simplify right side
    17,093.10x = 398,386,317.74
  5. Step 5: Solve for x
    x = 398,386,317.74/17,093.10
  6. Step 6: Final answer
    x = 23,306.85

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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.