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Finding the Fourth Proportional to 29,049.56, 43,592.77 and 12,409.71

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Solution

The fourth proportional to 29,049.56, 43,592.77 and 12,409.71 is: 18,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.56 : 43,592.77 = 12,409.71 : x
  2. Step 2: Convert to fraction form
    29,049.56/43,592.77 = 12,409.71/x
  3. Step 3: Cross multiply
    29,049.56x = 43,592.77 × 12,409.71
  4. Step 4: Simplify right side
    29,049.56x = 540,973,888.55
  5. Step 5: Solve for x
    x = 540,973,888.55/29,049.56
  6. Step 6: Final answer
    x = 18,622.45

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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.