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Finding the Fourth Proportional to 6,753.60, 10,125.60 and 3,057.60

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Solution

The fourth proportional to 6,753.60, 10,125.60 and 3,057.60 is: 4,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.60 : 10,125.60 = 3,057.60 : x
  2. Step 2: Convert to fraction form
    6,753.60/10,125.60 = 3,057.60/x
  3. Step 3: Cross multiply
    6,753.60x = 10,125.60 × 3,057.60
  4. Step 4: Simplify right side
    6,753.60x = 30,960,034.56
  5. Step 5: Solve for x
    x = 30,960,034.56/6,753.60
  6. Step 6: Final answer
    x = 4,584.23

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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.