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Finding the Fourth Proportional to 29,686.24, 44,529.36 and 8,909.76

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Solution

The fourth proportional to 29,686.24, 44,529.36 and 8,909.76 is: 13,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.24 : 44,529.36 = 8,909.76 : x
  2. Step 2: Convert to fraction form
    29,686.24/44,529.36 = 8,909.76/x
  3. Step 3: Cross multiply
    29,686.24x = 44,529.36 × 8,909.76
  4. Step 4: Simplify right side
    29,686.24x = 396,745,910.55
  5. Step 5: Solve for x
    x = 396,745,910.55/29,686.24
  6. Step 6: Final answer
    x = 13,364.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.