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Finding the Fourth Proportional to 56,489.87, 84,621.84 and 33,988.14

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Solution

The fourth proportional to 56,489.87, 84,621.84 and 33,988.14 is: 50,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.87 : 84,621.84 = 33,988.14 : x
  2. Step 2: Convert to fraction form
    56,489.87/84,621.84 = 33,988.14/x
  3. Step 3: Cross multiply
    56,489.87x = 84,621.84 × 33,988.14
  4. Step 4: Simplify right side
    56,489.87x = 2,876,138,944.98
  5. Step 5: Solve for x
    x = 2,876,138,944.98/56,489.87
  6. Step 6: Final answer
    x = 50,914.25

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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.