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Finding the Fourth Proportional to 36,641.48, 50,556.82 and 20,722.48

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Solution

The fourth proportional to 36,641.48, 50,556.82 and 20,722.48 is: 28,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641.48 : 50,556.82 = 20,722.48 : x
  2. Step 2: Convert to fraction form
    36,641.48/50,556.82 = 20,722.48/x
  3. Step 3: Cross multiply
    36,641.48x = 50,556.82 × 20,722.48
  4. Step 4: Simplify right side
    36,641.48x = 1,047,662,691.31
  5. Step 5: Solve for x
    x = 1,047,662,691.31/36,641.48
  6. Step 6: Final answer
    x = 28,592.26

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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.