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Finding the Fourth Proportional to 3,046.56, 4,569.84 and 738.06

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Solution

The fourth proportional to 3,046.56, 4,569.84 and 738.06 is: 1,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.56 : 4,569.84 = 738.06 : x
  2. Step 2: Convert to fraction form
    3,046.56/4,569.84 = 738.06/x
  3. Step 3: Cross multiply
    3,046.56x = 4,569.84 × 738.06
  4. Step 4: Simplify right side
    3,046.56x = 3,372,816.11
  5. Step 5: Solve for x
    x = 3,372,816.11/3,046.56
  6. Step 6: Final answer
    x = 1,107.09

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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.