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Finding the Fourth Proportional to 17,954.88, 26,882.64 and 9,170.88

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Solution

The fourth proportional to 17,954.88, 26,882.64 and 9,170.88 is: 13,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.88 : 26,882.64 = 9,170.88 : x
  2. Step 2: Convert to fraction form
    17,954.88/26,882.64 = 9,170.88/x
  3. Step 3: Cross multiply
    17,954.88x = 26,882.64 × 9,170.88
  4. Step 4: Simplify right side
    17,954.88x = 246,537,465.52
  5. Step 5: Solve for x
    x = 246,537,465.52/17,954.88
  6. Step 6: Final answer
    x = 13,730.94

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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.