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Finding the Fourth Proportional to 61,712.91, 92,550.21 and 22,264.89

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Solution

The fourth proportional to 61,712.91, 92,550.21 and 22,264.89 is: 33,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.91 : 92,550.21 = 22,264.89 : x
  2. Step 2: Convert to fraction form
    61,712.91/92,550.21 = 22,264.89/x
  3. Step 3: Cross multiply
    61,712.91x = 92,550.21 × 22,264.89
  4. Step 4: Simplify right side
    61,712.91x = 2,060,620,245.13
  5. Step 5: Solve for x
    x = 2,060,620,245.13/61,712.91
  6. Step 6: Final answer
    x = 33,390.42

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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.