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Finding the Fourth Proportional to 5,552.40, 7,662.40 and 3,034.49

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Solution

The fourth proportional to 5,552.40, 7,662.40 and 3,034.49 is: 4,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.40 : 7,662.40 = 3,034.49 : x
  2. Step 2: Convert to fraction form
    5,552.40/7,662.40 = 3,034.49/x
  3. Step 3: Cross multiply
    5,552.40x = 7,662.40 × 3,034.49
  4. Step 4: Simplify right side
    5,552.40x = 23,251,476.18
  5. Step 5: Solve for x
    x = 23,251,476.18/5,552.40
  6. Step 6: Final answer
    x = 4,187.64

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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.