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Finding the Fourth Proportional to 37,897.58, 52,299.08 and 20,902.54

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Solution

The fourth proportional to 37,897.58, 52,299.08 and 20,902.54 is: 28,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,897.58 : 52,299.08 = 20,902.54 : x
  2. Step 2: Convert to fraction form
    37,897.58/52,299.08 = 20,902.54/x
  3. Step 3: Cross multiply
    37,897.58x = 52,299.08 × 20,902.54
  4. Step 4: Simplify right side
    37,897.58x = 1,093,183,611.66
  5. Step 5: Solve for x
    x = 1,093,183,611.66/37,897.58
  6. Step 6: Final answer
    x = 28,845.74

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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.