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Finding the Fourth Proportional to 1,835.26, 2,753.19 and 739.53

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Solution

The fourth proportional to 1,835.26, 2,753.19 and 739.53 is: 1,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.26 : 2,753.19 = 739.53 : x
  2. Step 2: Convert to fraction form
    1,835.26/2,753.19 = 739.53/x
  3. Step 3: Cross multiply
    1,835.26x = 2,753.19 × 739.53
  4. Step 4: Simplify right side
    1,835.26x = 2,036,066.60
  5. Step 5: Solve for x
    x = 2,036,066.60/1,835.26
  6. Step 6: Final answer
    x = 1,109.42

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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.