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Finding the Fourth Proportional to 67,471.72, 101,216.22 and 25,913.32

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Solution

The fourth proportional to 67,471.72, 101,216.22 and 25,913.32 is: 38,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,471.72 : 101,216.22 = 25,913.32 : x
  2. Step 2: Convert to fraction form
    67,471.72/101,216.22 = 25,913.32/x
  3. Step 3: Cross multiply
    67,471.72x = 101,216.22 × 25,913.32
  4. Step 4: Simplify right side
    67,471.72x = 2,622,848,298.05
  5. Step 5: Solve for x
    x = 2,622,848,298.05/67,471.72
  6. Step 6: Final answer
    x = 38,873.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.