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Finding the Fourth Proportional to 3,373.92, 5,059.80 and 1,424.88

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Solution

The fourth proportional to 3,373.92, 5,059.80 and 1,424.88 is: 2,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.92 : 5,059.80 = 1,424.88 : x
  2. Step 2: Convert to fraction form
    3,373.92/5,059.80 = 1,424.88/x
  3. Step 3: Cross multiply
    3,373.92x = 5,059.80 × 1,424.88
  4. Step 4: Simplify right side
    3,373.92x = 7,209,607.82
  5. Step 5: Solve for x
    x = 7,209,607.82/3,373.92
  6. Step 6: Final answer
    x = 2,136.86

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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.