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Finding the Fourth Proportional to 61,741, 92,611.42 and 14,993.80

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Solution

The fourth proportional to 61,741, 92,611.42 and 14,993.80 is: 22,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,741 : 92,611.42 = 14,993.80 : x
  2. Step 2: Convert to fraction form
    61,741/92,611.42 = 14,993.80/x
  3. Step 3: Cross multiply
    61,741x = 92,611.42 × 14,993.80
  4. Step 4: Simplify right side
    61,741x = 1,388,597,109.20
  5. Step 5: Solve for x
    x = 1,388,597,109.20/61,741
  6. Step 6: Final answer
    x = 22,490.68

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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.