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Finding the Fourth Proportional to 29,439.78, 40,627.09 and 16,011.18

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Solution

The fourth proportional to 29,439.78, 40,627.09 and 16,011.18 is: 22,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.78 : 40,627.09 = 16,011.18 : x
  2. Step 2: Convert to fraction form
    29,439.78/40,627.09 = 16,011.18/x
  3. Step 3: Cross multiply
    29,439.78x = 40,627.09 × 16,011.18
  4. Step 4: Simplify right side
    29,439.78x = 650,487,650.87
  5. Step 5: Solve for x
    x = 650,487,650.87/29,439.78
  6. Step 6: Final answer
    x = 22,095.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.