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Finding the Fourth Proportional to 37,091.92, 51,188.16 and 20,324.92

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Solution

The fourth proportional to 37,091.92, 51,188.16 and 20,324.92 is: 28,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,091.92 : 51,188.16 = 20,324.92 : x
  2. Step 2: Convert to fraction form
    37,091.92/51,188.16 = 20,324.92/x
  3. Step 3: Cross multiply
    37,091.92x = 51,188.16 × 20,324.92
  4. Step 4: Simplify right side
    37,091.92x = 1,040,395,256.95
  5. Step 5: Solve for x
    x = 1,040,395,256.95/37,091.92
  6. Step 6: Final answer
    x = 28,049.11

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Double scale
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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.