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Finding the Fourth Proportional to 4,665.32, 7,007.70 and 3,936.32

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Solution

The fourth proportional to 4,665.32, 7,007.70 and 3,936.32 is: 5,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.32 : 7,007.70 = 3,936.32 : x
  2. Step 2: Convert to fraction form
    4,665.32/7,007.70 = 3,936.32/x
  3. Step 3: Cross multiply
    4,665.32x = 7,007.70 × 3,936.32
  4. Step 4: Simplify right side
    4,665.32x = 27,584,549.66
  5. Step 5: Solve for x
    x = 27,584,549.66/4,665.32
  6. Step 6: Final answer
    x = 5,912.68

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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.