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Finding the Fourth Proportional to 61,892.50, 85,422.45 and 36,741.46

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Solution

The fourth proportional to 61,892.50, 85,422.45 and 36,741.46 is: 50,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.50 : 85,422.45 = 36,741.46 : x
  2. Step 2: Convert to fraction form
    61,892.50/85,422.45 = 36,741.46/x
  3. Step 3: Cross multiply
    61,892.50x = 85,422.45 × 36,741.46
  4. Step 4: Simplify right side
    61,892.50x = 3,138,545,529.78
  5. Step 5: Solve for x
    x = 3,138,545,529.78/61,892.50
  6. Step 6: Final answer
    x = 50,709.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.