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Finding the Fourth Proportional to 56,611.62, 84,917.43 and 25,410.42

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Solution

The fourth proportional to 56,611.62, 84,917.43 and 25,410.42 is: 38,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.62 : 84,917.43 = 25,410.42 : x
  2. Step 2: Convert to fraction form
    56,611.62/84,917.43 = 25,410.42/x
  3. Step 3: Cross multiply
    56,611.62x = 84,917.43 × 25,410.42
  4. Step 4: Simplify right side
    56,611.62x = 2,157,787,561.62
  5. Step 5: Solve for x
    x = 2,157,787,561.62/56,611.62
  6. Step 6: Final answer
    x = 38,115.63

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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.