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Finding the Fourth Proportional to 3,903.92, 5,850.72 and 2,338.88

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Solution

The fourth proportional to 3,903.92, 5,850.72 and 2,338.88 is: 3,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.92 : 5,850.72 = 2,338.88 : x
  2. Step 2: Convert to fraction form
    3,903.92/5,850.72 = 2,338.88/x
  3. Step 3: Cross multiply
    3,903.92x = 5,850.72 × 2,338.88
  4. Step 4: Simplify right side
    3,903.92x = 13,684,131.99
  5. Step 5: Solve for x
    x = 13,684,131.99/3,903.92
  6. Step 6: Final answer
    x = 3,505.23

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1.5x scale

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.