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Finding the Fourth Proportional to 3,262.69, 4,502.55 and 1,865.44

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Solution

The fourth proportional to 3,262.69, 4,502.55 and 1,865.44 is: 2,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.69 : 4,502.55 = 1,865.44 : x
  2. Step 2: Convert to fraction form
    3,262.69/4,502.55 = 1,865.44/x
  3. Step 3: Cross multiply
    3,262.69x = 4,502.55 × 1,865.44
  4. Step 4: Simplify right side
    3,262.69x = 8,399,236.87
  5. Step 5: Solve for x
    x = 8,399,236.87/3,262.69
  6. Step 6: Final answer
    x = 2,574.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.