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Finding the Fourth Proportional to 4,932.16, 7,393.92 and 1,853.44

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Solution

The fourth proportional to 4,932.16, 7,393.92 and 1,853.44 is: 2,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.16 : 7,393.92 = 1,853.44 : x
  2. Step 2: Convert to fraction form
    4,932.16/7,393.92 = 1,853.44/x
  3. Step 3: Cross multiply
    4,932.16x = 7,393.92 × 1,853.44
  4. Step 4: Simplify right side
    4,932.16x = 13,704,187.08
  5. Step 5: Solve for x
    x = 13,704,187.08/4,932.16
  6. Step 6: Final answer
    x = 2,778.54

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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.