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Finding the Fourth Proportional to 11,932.25, 17,812.51 and 11,067.17

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Solution

The fourth proportional to 11,932.25, 17,812.51 and 11,067.17 is: 16,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.25 : 17,812.51 = 11,067.17 : x
  2. Step 2: Convert to fraction form
    11,932.25/17,812.51 = 11,067.17/x
  3. Step 3: Cross multiply
    11,932.25x = 17,812.51 × 11,067.17
  4. Step 4: Simplify right side
    11,932.25x = 197,133,959.57
  5. Step 5: Solve for x
    x = 197,133,959.57/11,932.25
  6. Step 6: Final answer
    x = 16,521.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.