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Finding the Fourth Proportional to 1,896.71, 2,845.25 and 800.93

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Solution

The fourth proportional to 1,896.71, 2,845.25 and 800.93 is: 1,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.71 : 2,845.25 = 800.93 : x
  2. Step 2: Convert to fraction form
    1,896.71/2,845.25 = 800.93/x
  3. Step 3: Cross multiply
    1,896.71x = 2,845.25 × 800.93
  4. Step 4: Simplify right side
    1,896.71x = 2,278,827.85
  5. Step 5: Solve for x
    x = 2,278,827.85/1,896.71
  6. Step 6: Final answer
    x = 1,201.47

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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.