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Finding the Fourth Proportional to 3,463.92, 5,194.08 and 1,384.56

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Solution

The fourth proportional to 3,463.92, 5,194.08 and 1,384.56 is: 2,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.92 : 5,194.08 = 1,384.56 : x
  2. Step 2: Convert to fraction form
    3,463.92/5,194.08 = 1,384.56/x
  3. Step 3: Cross multiply
    3,463.92x = 5,194.08 × 1,384.56
  4. Step 4: Simplify right side
    3,463.92x = 7,191,515.40
  5. Step 5: Solve for x
    x = 7,191,515.40/3,463.92
  6. Step 6: Final answer
    x = 2,076.12

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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.