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Finding the Fourth Proportional to 6,335.11, 8,742.43 and 3,540.61

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Solution

The fourth proportional to 6,335.11, 8,742.43 and 3,540.61 is: 4,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.11 : 8,742.43 = 3,540.61 : x
  2. Step 2: Convert to fraction form
    6,335.11/8,742.43 = 3,540.61/x
  3. Step 3: Cross multiply
    6,335.11x = 8,742.43 × 3,540.61
  4. Step 4: Simplify right side
    6,335.11x = 30,953,535.08
  5. Step 5: Solve for x
    x = 30,953,535.08/6,335.11
  6. Step 6: Final answer
    x = 4,886.03

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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.