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Finding the Fourth Proportional to 1,806.49, 2,710.11 and 1,026.85

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Solution

The fourth proportional to 1,806.49, 2,710.11 and 1,026.85 is: 1,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.49 : 2,710.11 = 1,026.85 : x
  2. Step 2: Convert to fraction form
    1,806.49/2,710.11 = 1,026.85/x
  3. Step 3: Cross multiply
    1,806.49x = 2,710.11 × 1,026.85
  4. Step 4: Simplify right side
    1,806.49x = 2,782,857.77
  5. Step 5: Solve for x
    x = 2,782,857.77/1,806.49
  6. Step 6: Final answer
    x = 1,540.48

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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.