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Finding the Fourth Proportional to 4,757.13, 6,560.81 and 2,868.30

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Solution

The fourth proportional to 4,757.13, 6,560.81 and 2,868.30 is: 3,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.13 : 6,560.81 = 2,868.30 : x
  2. Step 2: Convert to fraction form
    4,757.13/6,560.81 = 2,868.30/x
  3. Step 3: Cross multiply
    4,757.13x = 6,560.81 × 2,868.30
  4. Step 4: Simplify right side
    4,757.13x = 18,818,378.49
  5. Step 5: Solve for x
    x = 18,818,378.49/4,757.13
  6. Step 6: Final answer
    x = 3,955.83

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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.