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Finding the Fourth Proportional to 11,679.39, 17,494.18 and 9,448.65

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Solution

The fourth proportional to 11,679.39, 17,494.18 and 9,448.65 is: 14,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.39 : 17,494.18 = 9,448.65 : x
  2. Step 2: Convert to fraction form
    11,679.39/17,494.18 = 9,448.65/x
  3. Step 3: Cross multiply
    11,679.39x = 17,494.18 × 9,448.65
  4. Step 4: Simplify right side
    11,679.39x = 165,296,360.24
  5. Step 5: Solve for x
    x = 165,296,360.24/11,679.39
  6. Step 6: Final answer
    x = 14,152.82

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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.