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Finding the Fourth Proportional to 36,897.44, 50,915.44 and 20,545.20

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Solution

The fourth proportional to 36,897.44, 50,915.44 and 20,545.20 is: 28,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.44 : 50,915.44 = 20,545.20 : x
  2. Step 2: Convert to fraction form
    36,897.44/50,915.44 = 20,545.20/x
  3. Step 3: Cross multiply
    36,897.44x = 50,915.44 × 20,545.20
  4. Step 4: Simplify right side
    36,897.44x = 1,046,067,897.89
  5. Step 5: Solve for x
    x = 1,046,067,897.89/36,897.44
  6. Step 6: Final answer
    x = 28,350.69

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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.