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Finding the Fourth Proportional to 4,424.49, 6,622.16 and 3,938.49

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Solution

The fourth proportional to 4,424.49, 6,622.16 and 3,938.49 is: 5,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.49 : 6,622.16 = 3,938.49 : x
  2. Step 2: Convert to fraction form
    4,424.49/6,622.16 = 3,938.49/x
  3. Step 3: Cross multiply
    4,424.49x = 6,622.16 × 3,938.49
  4. Step 4: Simplify right side
    4,424.49x = 26,081,291.25
  5. Step 5: Solve for x
    x = 26,081,291.25/4,424.49
  6. Step 6: Final answer
    x = 5,894.76

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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.