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Finding the Fourth Proportional to 61,581.21, 92,295.14 and 29,965.29

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Solution

The fourth proportional to 61,581.21, 92,295.14 and 29,965.29 is: 44,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.21 : 92,295.14 = 29,965.29 : x
  2. Step 2: Convert to fraction form
    61,581.21/92,295.14 = 29,965.29/x
  3. Step 3: Cross multiply
    61,581.21x = 92,295.14 × 29,965.29
  4. Step 4: Simplify right side
    61,581.21x = 2,765,650,485.86
  5. Step 5: Solve for x
    x = 2,765,650,485.86/61,581.21
  6. Step 6: Final answer
    x = 44,910.62

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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.