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Finding the Fourth Proportional to 17,801.92, 26,704.71 and 6,717.94

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Solution

The fourth proportional to 17,801.92, 26,704.71 and 6,717.94 is: 10,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.92 : 26,704.71 = 6,717.94 : x
  2. Step 2: Convert to fraction form
    17,801.92/26,704.71 = 6,717.94/x
  3. Step 3: Cross multiply
    17,801.92x = 26,704.71 × 6,717.94
  4. Step 4: Simplify right side
    17,801.92x = 179,400,639.50
  5. Step 5: Solve for x
    x = 179,400,639.50/17,801.92
  6. Step 6: Final answer
    x = 10,077.60

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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.