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Finding the Fourth Proportional to 57,371.72, 79,164.36 and 32,216.36

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Solution

The fourth proportional to 57,371.72, 79,164.36 and 32,216.36 is: 44,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.72 : 79,164.36 = 32,216.36 : x
  2. Step 2: Convert to fraction form
    57,371.72/79,164.36 = 32,216.36/x
  3. Step 3: Cross multiply
    57,371.72x = 79,164.36 × 32,216.36
  4. Step 4: Simplify right side
    57,371.72x = 2,550,387,520.93
  5. Step 5: Solve for x
    x = 2,550,387,520.93/57,371.72
  6. Step 6: Final answer
    x = 44,453.74

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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.