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Finding the Fourth Proportional to 3,279.66, 4,527.81 and 3,092.82

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Solution

The fourth proportional to 3,279.66, 4,527.81 and 3,092.82 is: 4,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.66 : 4,527.81 = 3,092.82 : x
  2. Step 2: Convert to fraction form
    3,279.66/4,527.81 = 3,092.82/x
  3. Step 3: Cross multiply
    3,279.66x = 4,527.81 × 3,092.82
  4. Step 4: Simplify right side
    3,279.66x = 14,003,701.32
  5. Step 5: Solve for x
    x = 14,003,701.32/3,279.66
  6. Step 6: Final answer
    x = 4,269.86

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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.