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Finding the Fourth Proportional to 56,611.75, 84,917.62 and 25,410.55

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Solution

The fourth proportional to 56,611.75, 84,917.62 and 25,410.55 is: 38,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.75 : 84,917.62 = 25,410.55 : x
  2. Step 2: Convert to fraction form
    56,611.75/84,917.62 = 25,410.55/x
  3. Step 3: Cross multiply
    56,611.75x = 84,917.62 × 25,410.55
  4. Step 4: Simplify right side
    56,611.75x = 2,157,803,004.30
  5. Step 5: Solve for x
    x = 2,157,803,004.30/56,611.75
  6. Step 6: Final answer
    x = 38,115.82

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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.