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Finding the Fourth Proportional to 4,796.46, 6,619.82 and 2,807.64

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Solution

The fourth proportional to 4,796.46, 6,619.82 and 2,807.64 is: 3,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.46 : 6,619.82 = 2,807.64 : x
  2. Step 2: Convert to fraction form
    4,796.46/6,619.82 = 2,807.64/x
  3. Step 3: Cross multiply
    4,796.46x = 6,619.82 × 2,807.64
  4. Step 4: Simplify right side
    4,796.46x = 18,586,057.39
  5. Step 5: Solve for x
    x = 18,586,057.39/4,796.46
  6. Step 6: Final answer
    x = 3,874.95

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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.