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Finding the Fourth Proportional to 27,959.49, 41,869.11 and 16,707.90

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Solution

The fourth proportional to 27,959.49, 41,869.11 and 16,707.90 is: 25,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.49 : 41,869.11 = 16,707.90 : x
  2. Step 2: Convert to fraction form
    27,959.49/41,869.11 = 16,707.90/x
  3. Step 3: Cross multiply
    27,959.49x = 41,869.11 × 16,707.90
  4. Step 4: Simplify right side
    27,959.49x = 699,544,902.97
  5. Step 5: Solve for x
    x = 699,544,902.97/27,959.49
  6. Step 6: Final answer
    x = 25,019.95

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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.