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Finding the Fourth Proportional to 61,957.60, 92,960.70 and 22,518.70

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Solution

The fourth proportional to 61,957.60, 92,960.70 and 22,518.70 is: 33,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.60 : 92,960.70 = 22,518.70 : x
  2. Step 2: Convert to fraction form
    61,957.60/92,960.70 = 22,518.70/x
  3. Step 3: Cross multiply
    61,957.60x = 92,960.70 × 22,518.70
  4. Step 4: Simplify right side
    61,957.60x = 2,093,354,115.09
  5. Step 5: Solve for x
    x = 2,093,354,115.09/61,957.60
  6. Step 6: Final answer
    x = 33,786.88

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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.