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Finding the Fourth Proportional to 1,791.91, 2,666.19 and 1,747.27

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Solution

The fourth proportional to 1,791.91, 2,666.19 and 1,747.27 is: 2,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.91 : 2,666.19 = 1,747.27 : x
  2. Step 2: Convert to fraction form
    1,791.91/2,666.19 = 1,747.27/x
  3. Step 3: Cross multiply
    1,791.91x = 2,666.19 × 1,747.27
  4. Step 4: Simplify right side
    1,791.91x = 4,658,553.80
  5. Step 5: Solve for x
    x = 4,658,553.80/1,791.91
  6. Step 6: Final answer
    x = 2,599.77

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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.