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Finding the Fourth Proportional to 3,911.76, 5,863.92 and 1,444.92

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Solution

The fourth proportional to 3,911.76, 5,863.92 and 1,444.92 is: 2,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.76 : 5,863.92 = 1,444.92 : x
  2. Step 2: Convert to fraction form
    3,911.76/5,863.92 = 1,444.92/x
  3. Step 3: Cross multiply
    3,911.76x = 5,863.92 × 1,444.92
  4. Step 4: Simplify right side
    3,911.76x = 8,472,895.29
  5. Step 5: Solve for x
    x = 8,472,895.29/3,911.76
  6. Step 6: Final answer
    x = 2,166.01

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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.