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Finding the Fourth Proportional to 3,046.52, 4,569.78 and 738.02

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Solution

The fourth proportional to 3,046.52, 4,569.78 and 738.02 is: 1,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.52 : 4,569.78 = 738.02 : x
  2. Step 2: Convert to fraction form
    3,046.52/4,569.78 = 738.02/x
  3. Step 3: Cross multiply
    3,046.52x = 4,569.78 × 738.02
  4. Step 4: Simplify right side
    3,046.52x = 3,372,589.04
  5. Step 5: Solve for x
    x = 3,372,589.04/3,046.52
  6. Step 6: Final answer
    x = 1,107.03

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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.