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Finding the Fourth Proportional to 4,906.38, 6,772.64 and 3,018.27

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Solution

The fourth proportional to 4,906.38, 6,772.64 and 3,018.27 is: 4,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.38 : 6,772.64 = 3,018.27 : x
  2. Step 2: Convert to fraction form
    4,906.38/6,772.64 = 3,018.27/x
  3. Step 3: Cross multiply
    4,906.38x = 6,772.64 × 3,018.27
  4. Step 4: Simplify right side
    4,906.38x = 20,441,656.13
  5. Step 5: Solve for x
    x = 20,441,656.13/4,906.38
  6. Step 6: Final answer
    x = 4,166.34

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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.