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Finding the Fourth Proportional to 35,223.88, 48,613.92 and 21,799.44

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Solution

The fourth proportional to 35,223.88, 48,613.92 and 21,799.44 is: 30,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,223.88 : 48,613.92 = 21,799.44 : x
  2. Step 2: Convert to fraction form
    35,223.88/48,613.92 = 21,799.44/x
  3. Step 3: Cross multiply
    35,223.88x = 48,613.92 × 21,799.44
  4. Step 4: Simplify right side
    35,223.88x = 1,059,756,232.20
  5. Step 5: Solve for x
    x = 1,059,756,232.20/35,223.88
  6. Step 6: Final answer
    x = 30,086.30

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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.