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Finding the Fourth Proportional to 57,847.78, 79,806.40 and 37,697.32

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Solution

The fourth proportional to 57,847.78, 79,806.40 and 37,697.32 is: 52,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847.78 : 79,806.40 = 37,697.32 : x
  2. Step 2: Convert to fraction form
    57,847.78/79,806.40 = 37,697.32/x
  3. Step 3: Cross multiply
    57,847.78x = 79,806.40 × 37,697.32
  4. Step 4: Simplify right side
    57,847.78x = 3,008,487,398.85
  5. Step 5: Solve for x
    x = 3,008,487,398.85/57,847.78
  6. Step 6: Final answer
    x = 52,006.96

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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.