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Finding the Fourth Proportional to 6,245.39, 8,618.39 and 3,593.65

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Solution

The fourth proportional to 6,245.39, 8,618.39 and 3,593.65 is: 4,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.39 : 8,618.39 = 3,593.65 : x
  2. Step 2: Convert to fraction form
    6,245.39/8,618.39 = 3,593.65/x
  3. Step 3: Cross multiply
    6,245.39x = 8,618.39 × 3,593.65
  4. Step 4: Simplify right side
    6,245.39x = 30,971,464.66
  5. Step 5: Solve for x
    x = 30,971,464.66/6,245.39
  6. Step 6: Final answer
    x = 4,959.10

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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.