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Finding the Fourth Proportional to 6,791.77, 9,375.92 and 4,275.10

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Solution

The fourth proportional to 6,791.77, 9,375.92 and 4,275.10 is: 5,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.77 : 9,375.92 = 4,275.10 : x
  2. Step 2: Convert to fraction form
    6,791.77/9,375.92 = 4,275.10/x
  3. Step 3: Cross multiply
    6,791.77x = 9,375.92 × 4,275.10
  4. Step 4: Simplify right side
    6,791.77x = 40,082,995.59
  5. Step 5: Solve for x
    x = 40,082,995.59/6,791.77
  6. Step 6: Final answer
    x = 5,901.70

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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.