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Finding the Fourth Proportional to 6,712.60, 10,072.52 and 3,944.68

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Solution

The fourth proportional to 6,712.60, 10,072.52 and 3,944.68 is: 5,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.60 : 10,072.52 = 3,944.68 : x
  2. Step 2: Convert to fraction form
    6,712.60/10,072.52 = 3,944.68/x
  3. Step 3: Cross multiply
    6,712.60x = 10,072.52 × 3,944.68
  4. Step 4: Simplify right side
    6,712.60x = 39,732,868.19
  5. Step 5: Solve for x
    x = 39,732,868.19/6,712.60
  6. Step 6: Final answer
    x = 5,919.15

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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.