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Finding the Fourth Proportional to 4,868.25, 6,718.15 and 2,744.47

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Solution

The fourth proportional to 4,868.25, 6,718.15 and 2,744.47 is: 3,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.25 : 6,718.15 = 2,744.47 : x
  2. Step 2: Convert to fraction form
    4,868.25/6,718.15 = 2,744.47/x
  3. Step 3: Cross multiply
    4,868.25x = 6,718.15 × 2,744.47
  4. Step 4: Simplify right side
    4,868.25x = 18,437,761.13
  5. Step 5: Solve for x
    x = 18,437,761.13/4,868.25
  6. Step 6: Final answer
    x = 3,787.35

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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.