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Finding the Fourth Proportional to 4,858.26, 6,703.57 and 2,868.09

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Solution

The fourth proportional to 4,858.26, 6,703.57 and 2,868.09 is: 3,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.26 : 6,703.57 = 2,868.09 : x
  2. Step 2: Convert to fraction form
    4,858.26/6,703.57 = 2,868.09/x
  3. Step 3: Cross multiply
    4,858.26x = 6,703.57 × 2,868.09
  4. Step 4: Simplify right side
    4,858.26x = 19,226,442.08
  5. Step 5: Solve for x
    x = 19,226,442.08/4,858.26
  6. Step 6: Final answer
    x = 3,957.47

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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.