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Finding the Fourth Proportional to 17,645.70, 26,468.55 and 9,351.30

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Solution

The fourth proportional to 17,645.70, 26,468.55 and 9,351.30 is: 14,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.70 : 26,468.55 = 9,351.30 : x
  2. Step 2: Convert to fraction form
    17,645.70/26,468.55 = 9,351.30/x
  3. Step 3: Cross multiply
    17,645.70x = 26,468.55 × 9,351.30
  4. Step 4: Simplify right side
    17,645.70x = 247,515,351.62
  5. Step 5: Solve for x
    x = 247,515,351.62/17,645.70
  6. Step 6: Final answer
    x = 14,026.95

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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.