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Finding the Fourth Proportional to 56,944.29, 85,367.84 and 40,251.81

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Solution

The fourth proportional to 56,944.29, 85,367.84 and 40,251.81 is: 60,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.29 : 85,367.84 = 40,251.81 : x
  2. Step 2: Convert to fraction form
    56,944.29/85,367.84 = 40,251.81/x
  3. Step 3: Cross multiply
    56,944.29x = 85,367.84 × 40,251.81
  4. Step 4: Simplify right side
    56,944.29x = 3,436,210,421.08
  5. Step 5: Solve for x
    x = 3,436,210,421.08/56,944.29
  6. Step 6: Final answer
    x = 60,343.37

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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.