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Finding the Fourth Proportional to 1,806.80, 2,493 and 1,060.56

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Solution

The fourth proportional to 1,806.80, 2,493 and 1,060.56 is: 1,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.80 : 2,493 = 1,060.56 : x
  2. Step 2: Convert to fraction form
    1,806.80/2,493 = 1,060.56/x
  3. Step 3: Cross multiply
    1,806.80x = 2,493 × 1,060.56
  4. Step 4: Simplify right side
    1,806.80x = 2,643,976.08
  5. Step 5: Solve for x
    x = 2,643,976.08/1,806.80
  6. Step 6: Final answer
    x = 1,463.35

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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.