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Finding the Fourth Proportional to 2,043.08, 3,062.83 and 726.63

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Solution

The fourth proportional to 2,043.08, 3,062.83 and 726.63 is: 1,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.08 : 3,062.83 = 726.63 : x
  2. Step 2: Convert to fraction form
    2,043.08/3,062.83 = 726.63/x
  3. Step 3: Cross multiply
    2,043.08x = 3,062.83 × 726.63
  4. Step 4: Simplify right side
    2,043.08x = 2,225,544.16
  5. Step 5: Solve for x
    x = 2,225,544.16/2,043.08
  6. Step 6: Final answer
    x = 1,089.31

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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.