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Finding the Fourth Proportional to 3,929.92, 5,895.11 and 1,464.54

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Solution

The fourth proportional to 3,929.92, 5,895.11 and 1,464.54 is: 2,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.92 : 5,895.11 = 1,464.54 : x
  2. Step 2: Convert to fraction form
    3,929.92/5,895.11 = 1,464.54/x
  3. Step 3: Cross multiply
    3,929.92x = 5,895.11 × 1,464.54
  4. Step 4: Simplify right side
    3,929.92x = 8,633,624.40
  5. Step 5: Solve for x
    x = 8,633,624.40/3,929.92
  6. Step 6: Final answer
    x = 2,196.90

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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.