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Finding the Fourth Proportional to 4,943.62, 7,408.14 and 2,751.76

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Solution

The fourth proportional to 4,943.62, 7,408.14 and 2,751.76 is: 4,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.62 : 7,408.14 = 2,751.76 : x
  2. Step 2: Convert to fraction form
    4,943.62/7,408.14 = 2,751.76/x
  3. Step 3: Cross multiply
    4,943.62x = 7,408.14 × 2,751.76
  4. Step 4: Simplify right side
    4,943.62x = 20,385,423.33
  5. Step 5: Solve for x
    x = 20,385,423.33/4,943.62
  6. Step 6: Final answer
    x = 4,123.58

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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.