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Finding the Fourth Proportional to 38,556.71, 57,694.22 and 22,769.21

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Solution

The fourth proportional to 38,556.71, 57,694.22 and 22,769.21 is: 34,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.71 : 57,694.22 = 22,769.21 : x
  2. Step 2: Convert to fraction form
    38,556.71/57,694.22 = 22,769.21/x
  3. Step 3: Cross multiply
    38,556.71x = 57,694.22 × 22,769.21
  4. Step 4: Simplify right side
    38,556.71x = 1,313,651,522.50
  5. Step 5: Solve for x
    x = 1,313,651,522.50/38,556.71
  6. Step 6: Final answer
    x = 34,070.63

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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.