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Finding the Fourth Proportional to 35,375.44, 48,805.56 and 21,932.80

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Solution

The fourth proportional to 35,375.44, 48,805.56 and 21,932.80 is: 30,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,375.44 : 48,805.56 = 21,932.80 : x
  2. Step 2: Convert to fraction form
    35,375.44/48,805.56 = 21,932.80/x
  3. Step 3: Cross multiply
    35,375.44x = 48,805.56 × 21,932.80
  4. Step 4: Simplify right side
    35,375.44x = 1,070,442,586.37
  5. Step 5: Solve for x
    x = 1,070,442,586.37/35,375.44
  6. Step 6: Final answer
    x = 30,259.48

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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.