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Finding the Fourth Proportional to 21,954.80, 32,932.22 and 10,276.22

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Solution

The fourth proportional to 21,954.80, 32,932.22 and 10,276.22 is: 15,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.80 : 32,932.22 = 10,276.22 : x
  2. Step 2: Convert to fraction form
    21,954.80/32,932.22 = 10,276.22/x
  3. Step 3: Cross multiply
    21,954.80x = 32,932.22 × 10,276.22
  4. Step 4: Simplify right side
    21,954.80x = 338,418,655.48
  5. Step 5: Solve for x
    x = 338,418,655.48/21,954.80
  6. Step 6: Final answer
    x = 15,414.34

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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.