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Finding the Fourth Proportional to 1,366.52, 1,885.83 and 745.52

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Solution

The fourth proportional to 1,366.52, 1,885.83 and 745.52 is: 1,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.52 : 1,885.83 = 745.52 : x
  2. Step 2: Convert to fraction form
    1,366.52/1,885.83 = 745.52/x
  3. Step 3: Cross multiply
    1,366.52x = 1,885.83 × 745.52
  4. Step 4: Simplify right side
    1,366.52x = 1,405,923.98
  5. Step 5: Solve for x
    x = 1,405,923.98/1,366.52
  6. Step 6: Final answer
    x = 1,028.84

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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.