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Finding the Fourth Proportional to 1,750.11, 2,625.16 and 451.58

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Solution

The fourth proportional to 1,750.11, 2,625.16 and 451.58 is: 677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.11 : 2,625.16 = 451.58 : x
  2. Step 2: Convert to fraction form
    1,750.11/2,625.16 = 451.58/x
  3. Step 3: Cross multiply
    1,750.11x = 2,625.16 × 451.58
  4. Step 4: Simplify right side
    1,750.11x = 1,185,469.75
  5. Step 5: Solve for x
    x = 1,185,469.75/1,750.11
  6. Step 6: Final answer
    x = 677.37

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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.