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Finding the Fourth Proportional to 1,764.80, 2,645.52 and 1,034.24

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Solution

The fourth proportional to 1,764.80, 2,645.52 and 1,034.24 is: 1,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.80 : 2,645.52 = 1,034.24 : x
  2. Step 2: Convert to fraction form
    1,764.80/2,645.52 = 1,034.24/x
  3. Step 3: Cross multiply
    1,764.80x = 2,645.52 × 1,034.24
  4. Step 4: Simplify right side
    1,764.80x = 2,736,102.60
  5. Step 5: Solve for x
    x = 2,736,102.60/1,764.80
  6. Step 6: Final answer
    x = 1,550.38

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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.