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Finding the Fourth Proportional to 1,791.52, 2,472.04 and 1,092.76

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Solution

The fourth proportional to 1,791.52, 2,472.04 and 1,092.76 is: 1,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.52 : 2,472.04 = 1,092.76 : x
  2. Step 2: Convert to fraction form
    1,791.52/2,472.04 = 1,092.76/x
  3. Step 3: Cross multiply
    1,791.52x = 2,472.04 × 1,092.76
  4. Step 4: Simplify right side
    1,791.52x = 2,701,346.43
  5. Step 5: Solve for x
    x = 2,701,346.43/1,791.52
  6. Step 6: Final answer
    x = 1,507.85

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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.