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Finding the Fourth Proportional to 4,398.78, 6,596.94 and 1,932.96

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Solution

The fourth proportional to 4,398.78, 6,596.94 and 1,932.96 is: 2,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.78 : 6,596.94 = 1,932.96 : x
  2. Step 2: Convert to fraction form
    4,398.78/6,596.94 = 1,932.96/x
  3. Step 3: Cross multiply
    4,398.78x = 6,596.94 × 1,932.96
  4. Step 4: Simplify right side
    4,398.78x = 12,751,621.14
  5. Step 5: Solve for x
    x = 12,751,621.14/4,398.78
  6. Step 6: Final answer
    x = 2,898.90

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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.