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Finding the Fourth Proportional to 6,329.68, 8,739.54 and 4,092.82

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Solution

The fourth proportional to 6,329.68, 8,739.54 and 4,092.82 is: 5,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.68 : 8,739.54 = 4,092.82 : x
  2. Step 2: Convert to fraction form
    6,329.68/8,739.54 = 4,092.82/x
  3. Step 3: Cross multiply
    6,329.68x = 8,739.54 × 4,092.82
  4. Step 4: Simplify right side
    6,329.68x = 35,769,364.10
  5. Step 5: Solve for x
    x = 35,769,364.10/6,329.68
  6. Step 6: Final answer
    x = 5,651.05

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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.