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Finding the Fourth Proportional to 3,458.09, 4,748.06 and 3,367.88

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Solution

The fourth proportional to 3,458.09, 4,748.06 and 3,367.88 is: 4,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.09 : 4,748.06 = 3,367.88 : x
  2. Step 2: Convert to fraction form
    3,458.09/4,748.06 = 3,367.88/x
  3. Step 3: Cross multiply
    3,458.09x = 4,748.06 × 3,367.88
  4. Step 4: Simplify right side
    3,458.09x = 15,990,896.31
  5. Step 5: Solve for x
    x = 15,990,896.31/3,458.09
  6. Step 6: Final answer
    x = 4,624.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.