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Finding the Fourth Proportional to 61,255.74, 91,875.22 and 16,876.11

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Solution

The fourth proportional to 61,255.74, 91,875.22 and 16,876.11 is: 25,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.74 : 91,875.22 = 16,876.11 : x
  2. Step 2: Convert to fraction form
    61,255.74/91,875.22 = 16,876.11/x
  3. Step 3: Cross multiply
    61,255.74x = 91,875.22 × 16,876.11
  4. Step 4: Simplify right side
    61,255.74x = 1,550,496,318.99
  5. Step 5: Solve for x
    x = 1,550,496,318.99/61,255.74
  6. Step 6: Final answer
    x = 25,311.85

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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.