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Finding the Fourth Proportional to 62,876.61, 94,314.90 and 18,503.37

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Solution

The fourth proportional to 62,876.61, 94,314.90 and 18,503.37 is: 27,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,876.61 : 94,314.90 = 18,503.37 : x
  2. Step 2: Convert to fraction form
    62,876.61/94,314.90 = 18,503.37/x
  3. Step 3: Cross multiply
    62,876.61x = 94,314.90 × 18,503.37
  4. Step 4: Simplify right side
    62,876.61x = 1,745,143,914.28
  5. Step 5: Solve for x
    x = 1,745,143,914.28/62,876.61
  6. Step 6: Final answer
    x = 27,755.06

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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.