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Finding the Fourth Proportional to 3,296.48, 4,941.80 and 1,245.92

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Solution

The fourth proportional to 3,296.48, 4,941.80 and 1,245.92 is: 1,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.48 : 4,941.80 = 1,245.92 : x
  2. Step 2: Convert to fraction form
    3,296.48/4,941.80 = 1,245.92/x
  3. Step 3: Cross multiply
    3,296.48x = 4,941.80 × 1,245.92
  4. Step 4: Simplify right side
    3,296.48x = 6,157,087.46
  5. Step 5: Solve for x
    x = 6,157,087.46/3,296.48
  6. Step 6: Final answer
    x = 1,867.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.