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Finding the Fourth Proportional to 17,393.11, 26,089.66 and 8,634.17

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Solution

The fourth proportional to 17,393.11, 26,089.66 and 8,634.17 is: 12,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.11 : 26,089.66 = 8,634.17 : x
  2. Step 2: Convert to fraction form
    17,393.11/26,089.66 = 8,634.17/x
  3. Step 3: Cross multiply
    17,393.11x = 26,089.66 × 8,634.17
  4. Step 4: Simplify right side
    17,393.11x = 225,262,559.68
  5. Step 5: Solve for x
    x = 225,262,559.68/17,393.11
  6. Step 6: Final answer
    x = 12,951.25

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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.