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Finding the Fourth Proportional to 4,868.66, 6,718.86 and 2,954.49

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Solution

The fourth proportional to 4,868.66, 6,718.86 and 2,954.49 is: 4,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.66 : 6,718.86 = 2,954.49 : x
  2. Step 2: Convert to fraction form
    4,868.66/6,718.86 = 2,954.49/x
  3. Step 3: Cross multiply
    4,868.66x = 6,718.86 × 2,954.49
  4. Step 4: Simplify right side
    4,868.66x = 19,850,804.68
  5. Step 5: Solve for x
    x = 19,850,804.68/4,868.66
  6. Step 6: Final answer
    x = 4,077.27

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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.