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Finding the Fourth Proportional to 6,337.39, 8,743.43 and 3,818.55

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Solution

The fourth proportional to 6,337.39, 8,743.43 and 3,818.55 is: 5,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.39 : 8,743.43 = 3,818.55 : x
  2. Step 2: Convert to fraction form
    6,337.39/8,743.43 = 3,818.55/x
  3. Step 3: Cross multiply
    6,337.39x = 8,743.43 × 3,818.55
  4. Step 4: Simplify right side
    6,337.39x = 33,387,205.53
  5. Step 5: Solve for x
    x = 33,387,205.53/6,337.39
  6. Step 6: Final answer
    x = 5,268.29

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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.