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Finding the Fourth Proportional to 17,963.18, 26,947.77 and 8,102.24

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Solution

The fourth proportional to 17,963.18, 26,947.77 and 8,102.24 is: 12,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.18 : 26,947.77 = 8,102.24 : x
  2. Step 2: Convert to fraction form
    17,963.18/26,947.77 = 8,102.24/x
  3. Step 3: Cross multiply
    17,963.18x = 26,947.77 × 8,102.24
  4. Step 4: Simplify right side
    17,963.18x = 218,337,300.00
  5. Step 5: Solve for x
    x = 218,337,300.00/17,963.18
  6. Step 6: Final answer
    x = 12,154.71

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1.5x scale

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.