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Finding the Fourth Proportional to 19,892.64, 27,452.46 and 10,940.52

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Solution

The fourth proportional to 19,892.64, 27,452.46 and 10,940.52 is: 15,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.64 : 27,452.46 = 10,940.52 : x
  2. Step 2: Convert to fraction form
    19,892.64/27,452.46 = 10,940.52/x
  3. Step 3: Cross multiply
    19,892.64x = 27,452.46 × 10,940.52
  4. Step 4: Simplify right side
    19,892.64x = 300,344,187.68
  5. Step 5: Solve for x
    x = 300,344,187.68/19,892.64
  6. Step 6: Final answer
    x = 15,098.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.