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Finding the Fourth Proportional to 6,791.29, 9,370.72 and 4,370.78

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Solution

The fourth proportional to 6,791.29, 9,370.72 and 4,370.78 is: 6,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.29 : 9,370.72 = 4,370.78 : x
  2. Step 2: Convert to fraction form
    6,791.29/9,370.72 = 4,370.78/x
  3. Step 3: Cross multiply
    6,791.29x = 9,370.72 × 4,370.78
  4. Step 4: Simplify right side
    6,791.29x = 40,957,355.56
  5. Step 5: Solve for x
    x = 40,957,355.56/6,791.29
  6. Step 6: Final answer
    x = 6,030.87

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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.