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Finding the Fourth Proportional to 17,791.68, 26,679.92 and 6,106.08

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Solution

The fourth proportional to 17,791.68, 26,679.92 and 6,106.08 is: 9,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.68 : 26,679.92 = 6,106.08 : x
  2. Step 2: Convert to fraction form
    17,791.68/26,679.92 = 6,106.08/x
  3. Step 3: Cross multiply
    17,791.68x = 26,679.92 × 6,106.08
  4. Step 4: Simplify right side
    17,791.68x = 162,909,725.91
  5. Step 5: Solve for x
    x = 162,909,725.91/17,791.68
  6. Step 6: Final answer
    x = 9,156.51

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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.