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Finding the Fourth Proportional to 61,949.98, 92,910.96 and 28,651.77

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Solution

The fourth proportional to 61,949.98, 92,910.96 and 28,651.77 is: 42,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.98 : 92,910.96 = 28,651.77 : x
  2. Step 2: Convert to fraction form
    61,949.98/92,910.96 = 28,651.77/x
  3. Step 3: Cross multiply
    61,949.98x = 92,910.96 × 28,651.77
  4. Step 4: Simplify right side
    61,949.98x = 2,662,063,456.40
  5. Step 5: Solve for x
    x = 2,662,063,456.40/61,949.98
  6. Step 6: Final answer
    x = 42,971.18

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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.