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Finding the Fourth Proportional to 61,267.58, 91,906.50 and 16,894.30

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Solution

The fourth proportional to 61,267.58, 91,906.50 and 16,894.30 is: 25,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,267.58 : 91,906.50 = 16,894.30 : x
  2. Step 2: Convert to fraction form
    61,267.58/91,906.50 = 16,894.30/x
  3. Step 3: Cross multiply
    61,267.58x = 91,906.50 × 16,894.30
  4. Step 4: Simplify right side
    61,267.58x = 1,552,695,982.95
  5. Step 5: Solve for x
    x = 1,552,695,982.95/61,267.58
  6. Step 6: Final answer
    x = 25,342.86

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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.