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Finding the Fourth Proportional to 57,388.56, 79,192.80 and 32,237.52

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Solution

The fourth proportional to 57,388.56, 79,192.80 and 32,237.52 is: 44,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.56 : 79,192.80 = 32,237.52 : x
  2. Step 2: Convert to fraction form
    57,388.56/79,192.80 = 32,237.52/x
  3. Step 3: Cross multiply
    57,388.56x = 79,192.80 × 32,237.52
  4. Step 4: Simplify right side
    57,388.56x = 2,552,979,473.86
  5. Step 5: Solve for x
    x = 2,552,979,473.86/57,388.56
  6. Step 6: Final answer
    x = 44,485.86

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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.