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Finding the Fourth Proportional to 2,944.08, 4,415.78 and 752.82

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Solution

The fourth proportional to 2,944.08, 4,415.78 and 752.82 is: 1,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.08 : 4,415.78 = 752.82 : x
  2. Step 2: Convert to fraction form
    2,944.08/4,415.78 = 752.82/x
  3. Step 3: Cross multiply
    2,944.08x = 4,415.78 × 752.82
  4. Step 4: Simplify right side
    2,944.08x = 3,324,283.74
  5. Step 5: Solve for x
    x = 3,324,283.74/2,944.08
  6. Step 6: Final answer
    x = 1,129.14

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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.