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Finding the Fourth Proportional to 3,376.28, 5,063 and 1,402.22

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Solution

The fourth proportional to 3,376.28, 5,063 and 1,402.22 is: 2,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.28 : 5,063 = 1,402.22 : x
  2. Step 2: Convert to fraction form
    3,376.28/5,063 = 1,402.22/x
  3. Step 3: Cross multiply
    3,376.28x = 5,063 × 1,402.22
  4. Step 4: Simplify right side
    3,376.28x = 7,099,439.86
  5. Step 5: Solve for x
    x = 7,099,439.86/3,376.28
  6. Step 6: Final answer
    x = 2,102.74

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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.