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Finding the Fourth Proportional to 48,591.72, 72,997.92 and 41,948.64

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Solution

The fourth proportional to 48,591.72, 72,997.92 and 41,948.64 is: 63,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,591.72 : 72,997.92 = 41,948.64 : x
  2. Step 2: Convert to fraction form
    48,591.72/72,997.92 = 41,948.64/x
  3. Step 3: Cross multiply
    48,591.72x = 72,997.92 × 41,948.64
  4. Step 4: Simplify right side
    48,591.72x = 3,062,163,466.83
  5. Step 5: Solve for x
    x = 3,062,163,466.83/48,591.72
  6. Step 6: Final answer
    x = 63,018.22

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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.