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Finding the Fourth Proportional to 1,040.88, 1,564.82 and 734.93

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Solution

The fourth proportional to 1,040.88, 1,564.82 and 734.93 is: 1,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.88 : 1,564.82 = 734.93 : x
  2. Step 2: Convert to fraction form
    1,040.88/1,564.82 = 734.93/x
  3. Step 3: Cross multiply
    1,040.88x = 1,564.82 × 734.93
  4. Step 4: Simplify right side
    1,040.88x = 1,150,033.16
  5. Step 5: Solve for x
    x = 1,150,033.16/1,040.88
  6. Step 6: Final answer
    x = 1,104.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.