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Finding the Fourth Proportional to 2,874.73, 4,286.94 and 2,848.46

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Solution

The fourth proportional to 2,874.73, 4,286.94 and 2,848.46 is: 4,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.73 : 4,286.94 = 2,848.46 : x
  2. Step 2: Convert to fraction form
    2,874.73/4,286.94 = 2,848.46/x
  3. Step 3: Cross multiply
    2,874.73x = 4,286.94 × 2,848.46
  4. Step 4: Simplify right side
    2,874.73x = 12,211,145.00
  5. Step 5: Solve for x
    x = 12,211,145.00/2,874.73
  6. Step 6: Final answer
    x = 4,247.75

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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.