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Finding the Fourth Proportional to 4,895, 7,331.28 and 2,944.92

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Solution

The fourth proportional to 4,895, 7,331.28 and 2,944.92 is: 4,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895 : 7,331.28 = 2,944.92 : x
  2. Step 2: Convert to fraction form
    4,895/7,331.28 = 2,944.92/x
  3. Step 3: Cross multiply
    4,895x = 7,331.28 × 2,944.92
  4. Step 4: Simplify right side
    4,895x = 21,590,033.10
  5. Step 5: Solve for x
    x = 21,590,033.10/4,895
  6. Step 6: Final answer
    x = 4,410.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.