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Finding the Fourth Proportional to 36,289.92, 50,085.56 and 22,151

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Solution

The fourth proportional to 36,289.92, 50,085.56 and 22,151 is: 30,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.92 : 50,085.56 = 22,151 : x
  2. Step 2: Convert to fraction form
    36,289.92/50,085.56 = 22,151/x
  3. Step 3: Cross multiply
    36,289.92x = 50,085.56 × 22,151
  4. Step 4: Simplify right side
    36,289.92x = 1,109,445,239.56
  5. Step 5: Solve for x
    x = 1,109,445,239.56/36,289.92
  6. Step 6: Final answer
    x = 30,571.72

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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.