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Finding the Fourth Proportional to 27,996.64, 41,982.32 and 8,268.32

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Solution

The fourth proportional to 27,996.64, 41,982.32 and 8,268.32 is: 12,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.64 : 41,982.32 = 8,268.32 : x
  2. Step 2: Convert to fraction form
    27,996.64/41,982.32 = 8,268.32/x
  3. Step 3: Cross multiply
    27,996.64x = 41,982.32 × 8,268.32
  4. Step 4: Simplify right side
    27,996.64x = 347,123,256.10
  5. Step 5: Solve for x
    x = 347,123,256.10/27,996.64
  6. Step 6: Final answer
    x = 12,398.75

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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.