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Finding the Fourth Proportional to 73,712.53, 110,585.40 and 26,965

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Solution

The fourth proportional to 73,712.53, 110,585.40 and 26,965 is: 40,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712.53 : 110,585.40 = 26,965 : x
  2. Step 2: Convert to fraction form
    73,712.53/110,585.40 = 26,965/x
  3. Step 3: Cross multiply
    73,712.53x = 110,585.40 × 26,965
  4. Step 4: Simplify right side
    73,712.53x = 2,981,935,311
  5. Step 5: Solve for x
    x = 2,981,935,311/73,712.53
  6. Step 6: Final answer
    x = 40,453.57

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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.