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Finding the Fourth Proportional to 1,764.11, 2,633.11 and 1,556.55

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Solution

The fourth proportional to 1,764.11, 2,633.11 and 1,556.55 is: 2,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.11 : 2,633.11 = 1,556.55 : x
  2. Step 2: Convert to fraction form
    1,764.11/2,633.11 = 1,556.55/x
  3. Step 3: Cross multiply
    1,764.11x = 2,633.11 × 1,556.55
  4. Step 4: Simplify right side
    1,764.11x = 4,098,563.48
  5. Step 5: Solve for x
    x = 4,098,563.48/1,764.11
  6. Step 6: Final answer
    x = 2,323.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.