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Finding the Fourth Proportional to 4,868.68, 6,718.81 and 2,744.25

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Solution

The fourth proportional to 4,868.68, 6,718.81 and 2,744.25 is: 3,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.68 : 6,718.81 = 2,744.25 : x
  2. Step 2: Convert to fraction form
    4,868.68/6,718.81 = 2,744.25/x
  3. Step 3: Cross multiply
    4,868.68x = 6,718.81 × 2,744.25
  4. Step 4: Simplify right side
    4,868.68x = 18,438,047.03
  5. Step 5: Solve for x
    x = 18,438,047.03/4,868.68
  6. Step 6: Final answer
    x = 3,787.07

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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.