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Finding the Fourth Proportional to 56,679.86, 85,027.66 and 25,087.42

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Solution

The fourth proportional to 56,679.86, 85,027.66 and 25,087.42 is: 37,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679.86 : 85,027.66 = 25,087.42 : x
  2. Step 2: Convert to fraction form
    56,679.86/85,027.66 = 25,087.42/x
  3. Step 3: Cross multiply
    56,679.86x = 85,027.66 × 25,087.42
  4. Step 4: Simplify right side
    56,679.86x = 2,133,124,618.04
  5. Step 5: Solve for x
    x = 2,133,124,618.04/56,679.86
  6. Step 6: Final answer
    x = 37,634.61

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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.