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Finding the Fourth Proportional to 4,993.29, 6,891.35 and 2,868.82

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Solution

The fourth proportional to 4,993.29, 6,891.35 and 2,868.82 is: 3,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.29 : 6,891.35 = 2,868.82 : x
  2. Step 2: Convert to fraction form
    4,993.29/6,891.35 = 2,868.82/x
  3. Step 3: Cross multiply
    4,993.29x = 6,891.35 × 2,868.82
  4. Step 4: Simplify right side
    4,993.29x = 19,770,032.65
  5. Step 5: Solve for x
    x = 19,770,032.65/4,993.29
  6. Step 6: Final answer
    x = 3,959.32

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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.