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Finding the Fourth Proportional to 1,334.84, 1,842.05 and 745.37

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Solution

The fourth proportional to 1,334.84, 1,842.05 and 745.37 is: 1,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.84 : 1,842.05 = 745.37 : x
  2. Step 2: Convert to fraction form
    1,334.84/1,842.05 = 745.37/x
  3. Step 3: Cross multiply
    1,334.84x = 1,842.05 × 745.37
  4. Step 4: Simplify right side
    1,334.84x = 1,372,995.87
  5. Step 5: Solve for x
    x = 1,372,995.87/1,334.84
  6. Step 6: Final answer
    x = 1,028.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.