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Finding the Fourth Proportional to 4,508.79, 6,753.30 and 3,719.93

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Solution

The fourth proportional to 4,508.79, 6,753.30 and 3,719.93 is: 5,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.79 : 6,753.30 = 3,719.93 : x
  2. Step 2: Convert to fraction form
    4,508.79/6,753.30 = 3,719.93/x
  3. Step 3: Cross multiply
    4,508.79x = 6,753.30 × 3,719.93
  4. Step 4: Simplify right side
    4,508.79x = 25,121,769.50
  5. Step 5: Solve for x
    x = 25,121,769.50/4,508.79
  6. Step 6: Final answer
    x = 5,571.73

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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.