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Finding the Fourth Proportional to 61,335.48, 91,992.30 and 16,951.92

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Solution

The fourth proportional to 61,335.48, 91,992.30 and 16,951.92 is: 25,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,335.48 : 91,992.30 = 16,951.92 : x
  2. Step 2: Convert to fraction form
    61,335.48/91,992.30 = 16,951.92/x
  3. Step 3: Cross multiply
    61,335.48x = 91,992.30 × 16,951.92
  4. Step 4: Simplify right side
    61,335.48x = 1,559,446,110.22
  5. Step 5: Solve for x
    x = 1,559,446,110.22/61,335.48
  6. Step 6: Final answer
    x = 25,424.86

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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.