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Finding the Fourth Proportional to 35,796.60, 49,399.02 and 19,882.20

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Solution

The fourth proportional to 35,796.60, 49,399.02 and 19,882.20 is: 27,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796.60 : 49,399.02 = 19,882.20 : x
  2. Step 2: Convert to fraction form
    35,796.60/49,399.02 = 19,882.20/x
  3. Step 3: Cross multiply
    35,796.60x = 49,399.02 × 19,882.20
  4. Step 4: Simplify right side
    35,796.60x = 982,161,195.44
  5. Step 5: Solve for x
    x = 982,161,195.44/35,796.60
  6. Step 6: Final answer
    x = 27,437.28

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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.