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Finding the Fourth Proportional to 1,043.93, 1,563.17 and 734.11

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Solution

The fourth proportional to 1,043.93, 1,563.17 and 734.11 is: 1,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.93 : 1,563.17 = 734.11 : x
  2. Step 2: Convert to fraction form
    1,043.93/1,563.17 = 734.11/x
  3. Step 3: Cross multiply
    1,043.93x = 1,563.17 × 734.11
  4. Step 4: Simplify right side
    1,043.93x = 1,147,531.15
  5. Step 5: Solve for x
    x = 1,147,531.15/1,043.93
  6. Step 6: Final answer
    x = 1,099.24

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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.