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Finding the Fourth Proportional to 2,868.48, 4,282.02 and 2,481.12

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Solution

The fourth proportional to 2,868.48, 4,282.02 and 2,481.12 is: 3,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.48 : 4,282.02 = 2,481.12 : x
  2. Step 2: Convert to fraction form
    2,868.48/4,282.02 = 2,481.12/x
  3. Step 3: Cross multiply
    2,868.48x = 4,282.02 × 2,481.12
  4. Step 4: Simplify right side
    2,868.48x = 10,624,205.46
  5. Step 5: Solve for x
    x = 10,624,205.46/2,868.48
  6. Step 6: Final answer
    x = 3,703.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.