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Finding the Fourth Proportional to 17,469.88, 26,238.30 and 14,976.70

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Solution

The fourth proportional to 17,469.88, 26,238.30 and 14,976.70 is: 22,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.88 : 26,238.30 = 14,976.70 : x
  2. Step 2: Convert to fraction form
    17,469.88/26,238.30 = 14,976.70/x
  3. Step 3: Cross multiply
    17,469.88x = 26,238.30 × 14,976.70
  4. Step 4: Simplify right side
    17,469.88x = 392,963,147.61
  5. Step 5: Solve for x
    x = 392,963,147.61/17,469.88
  6. Step 6: Final answer
    x = 22,493.75

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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.