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Finding the Fourth Proportional to 1,845.99, 2,768.36 and 734.87

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Solution

The fourth proportional to 1,845.99, 2,768.36 and 734.87 is: 1,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.99 : 2,768.36 = 734.87 : x
  2. Step 2: Convert to fraction form
    1,845.99/2,768.36 = 734.87/x
  3. Step 3: Cross multiply
    1,845.99x = 2,768.36 × 734.87
  4. Step 4: Simplify right side
    1,845.99x = 2,034,387.96
  5. Step 5: Solve for x
    x = 2,034,387.96/1,845.99
  6. Step 6: Final answer
    x = 1,102.06

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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.