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Finding the Fourth Proportional to 18,882.43, 26,055.71 and 10,923.17

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Solution

The fourth proportional to 18,882.43, 26,055.71 and 10,923.17 is: 15,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.43 : 26,055.71 = 10,923.17 : x
  2. Step 2: Convert to fraction form
    18,882.43/26,055.71 = 10,923.17/x
  3. Step 3: Cross multiply
    18,882.43x = 26,055.71 × 10,923.17
  4. Step 4: Simplify right side
    18,882.43x = 284,610,764.91
  5. Step 5: Solve for x
    x = 284,610,764.91/18,882.43
  6. Step 6: Final answer
    x = 15,072.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.