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Finding the Fourth Proportional to 2,693.34, 4,040.01 and 745.83

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Solution

The fourth proportional to 2,693.34, 4,040.01 and 745.83 is: 1,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.34 : 4,040.01 = 745.83 : x
  2. Step 2: Convert to fraction form
    2,693.34/4,040.01 = 745.83/x
  3. Step 3: Cross multiply
    2,693.34x = 4,040.01 × 745.83
  4. Step 4: Simplify right side
    2,693.34x = 3,013,160.66
  5. Step 5: Solve for x
    x = 3,013,160.66/2,693.34
  6. Step 6: Final answer
    x = 1,118.75

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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.