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Finding the Fourth Proportional to 48,773.52, 73,145.85 and 20,693.22

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Solution

The fourth proportional to 48,773.52, 73,145.85 and 20,693.22 is: 31,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,773.52 : 73,145.85 = 20,693.22 : x
  2. Step 2: Convert to fraction form
    48,773.52/73,145.85 = 20,693.22/x
  3. Step 3: Cross multiply
    48,773.52x = 73,145.85 × 20,693.22
  4. Step 4: Simplify right side
    48,773.52x = 1,513,623,166.14
  5. Step 5: Solve for x
    x = 1,513,623,166.14/48,773.52
  6. Step 6: Final answer
    x = 31,033.71

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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.