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Finding the Fourth Proportional to 1,163.02, 1,744.97 and 701.13

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Solution

The fourth proportional to 1,163.02, 1,744.97 and 701.13 is: 1,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.02 : 1,744.97 = 701.13 : x
  2. Step 2: Convert to fraction form
    1,163.02/1,744.97 = 701.13/x
  3. Step 3: Cross multiply
    1,163.02x = 1,744.97 × 701.13
  4. Step 4: Simplify right side
    1,163.02x = 1,223,450.82
  5. Step 5: Solve for x
    x = 1,223,450.82/1,163.02
  6. Step 6: Final answer
    x = 1,051.96

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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.