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Finding the Fourth Proportional to 61,088.56, 91,692 and 29,520.84

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Solution

The fourth proportional to 61,088.56, 91,692 and 29,520.84 is: 44,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,088.56 : 91,692 = 29,520.84 : x
  2. Step 2: Convert to fraction form
    61,088.56/91,692 = 29,520.84/x
  3. Step 3: Cross multiply
    61,088.56x = 91,692 × 29,520.84
  4. Step 4: Simplify right side
    61,088.56x = 2,706,824,861.28
  5. Step 5: Solve for x
    x = 2,706,824,861.28/61,088.56
  6. Step 6: Final answer
    x = 44,309.85

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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.