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Finding the Fourth Proportional to 5,140.80, 7,093.80 and 3,044.52

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Solution

The fourth proportional to 5,140.80, 7,093.80 and 3,044.52 is: 4,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.80 : 7,093.80 = 3,044.52 : x
  2. Step 2: Convert to fraction form
    5,140.80/7,093.80 = 3,044.52/x
  3. Step 3: Cross multiply
    5,140.80x = 7,093.80 × 3,044.52
  4. Step 4: Simplify right side
    5,140.80x = 21,597,215.98
  5. Step 5: Solve for x
    x = 21,597,215.98/5,140.80
  6. Step 6: Final answer
    x = 4,201.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.