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Finding the Fourth Proportional to 22,372.60, 33,556.59 and 7,581.13

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Solution

The fourth proportional to 22,372.60, 33,556.59 and 7,581.13 is: 11,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.60 : 33,556.59 = 7,581.13 : x
  2. Step 2: Convert to fraction form
    22,372.60/33,556.59 = 7,581.13/x
  3. Step 3: Cross multiply
    22,372.60x = 33,556.59 × 7,581.13
  4. Step 4: Simplify right side
    22,372.60x = 254,396,976.01
  5. Step 5: Solve for x
    x = 254,396,976.01/22,372.60
  6. Step 6: Final answer
    x = 11,370.92

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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.