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Finding the Fourth Proportional to 57,573.78, 86,360.67 and 32,932.50

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Solution

The fourth proportional to 57,573.78, 86,360.67 and 32,932.50 is: 49,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.78 : 86,360.67 = 32,932.50 : x
  2. Step 2: Convert to fraction form
    57,573.78/86,360.67 = 32,932.50/x
  3. Step 3: Cross multiply
    57,573.78x = 86,360.67 × 32,932.50
  4. Step 4: Simplify right side
    57,573.78x = 2,844,072,764.78
  5. Step 5: Solve for x
    x = 2,844,072,764.78/57,573.78
  6. Step 6: Final answer
    x = 49,398.75

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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.