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Finding the Fourth Proportional to 61,684.66, 85,125.09 and 36,532.54

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Solution

The fourth proportional to 61,684.66, 85,125.09 and 36,532.54 is: 50,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,684.66 : 85,125.09 = 36,532.54 : x
  2. Step 2: Convert to fraction form
    61,684.66/85,125.09 = 36,532.54/x
  3. Step 3: Cross multiply
    61,684.66x = 85,125.09 × 36,532.54
  4. Step 4: Simplify right side
    61,684.66x = 3,109,835,755.43
  5. Step 5: Solve for x
    x = 3,109,835,755.43/61,684.66
  6. Step 6: Final answer
    x = 50,415.06

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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.