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Finding the Fourth Proportional to 4,959.69, 6,845.39 and 2,863.53

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Solution

The fourth proportional to 4,959.69, 6,845.39 and 2,863.53 is: 3,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.69 : 6,845.39 = 2,863.53 : x
  2. Step 2: Convert to fraction form
    4,959.69/6,845.39 = 2,863.53/x
  3. Step 3: Cross multiply
    4,959.69x = 6,845.39 × 2,863.53
  4. Step 4: Simplify right side
    4,959.69x = 19,601,965.31
  5. Step 5: Solve for x
    x = 19,601,965.31/4,959.69
  6. Step 6: Final answer
    x = 3,952.26

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1.5x scale

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.