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Finding the Fourth Proportional to 1,136.93, 1,697.22 and 1,049.27

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Solution

The fourth proportional to 1,136.93, 1,697.22 and 1,049.27 is: 1,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.93 : 1,697.22 = 1,049.27 : x
  2. Step 2: Convert to fraction form
    1,136.93/1,697.22 = 1,049.27/x
  3. Step 3: Cross multiply
    1,136.93x = 1,697.22 × 1,049.27
  4. Step 4: Simplify right side
    1,136.93x = 1,780,833.54
  5. Step 5: Solve for x
    x = 1,780,833.54/1,136.93
  6. Step 6: Final answer
    x = 1,566.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.