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Finding the Fourth Proportional to 4,329.42, 5,936.30 and 3,908.22

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Solution

The fourth proportional to 4,329.42, 5,936.30 and 3,908.22 is: 5,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.42 : 5,936.30 = 3,908.22 : x
  2. Step 2: Convert to fraction form
    4,329.42/5,936.30 = 3,908.22/x
  3. Step 3: Cross multiply
    4,329.42x = 5,936.30 × 3,908.22
  4. Step 4: Simplify right side
    4,329.42x = 23,200,346.84
  5. Step 5: Solve for x
    x = 23,200,346.84/4,329.42
  6. Step 6: Final answer
    x = 5,358.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.