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Finding the Fourth Proportional to 40,100.50, 55,338.00 and 22,195.11

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Solution

The fourth proportional to 40,100.50, 55,338.00 and 22,195.11 is: 30,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.50 : 55,338.00 = 22,195.11 : x
  2. Step 2: Convert to fraction form
    40,100.50/55,338.00 = 22,195.11/x
  3. Step 3: Cross multiply
    40,100.50x = 55,338.00 × 22,195.11
  4. Step 4: Simplify right side
    40,100.50x = 1,228,233,246.31
  5. Step 5: Solve for x
    x = 1,228,233,246.31/40,100.50
  6. Step 6: Final answer
    x = 30,628.88

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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.