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Finding the Fourth Proportional to 29,331.79, 43,993.79 and 8,273.53

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Solution

The fourth proportional to 29,331.79, 43,993.79 and 8,273.53 is: 12,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.79 : 43,993.79 = 8,273.53 : x
  2. Step 2: Convert to fraction form
    29,331.79/43,993.79 = 8,273.53/x
  3. Step 3: Cross multiply
    29,331.79x = 43,993.79 × 8,273.53
  4. Step 4: Simplify right side
    29,331.79x = 363,983,941.38
  5. Step 5: Solve for x
    x = 363,983,941.38/29,331.79
  6. Step 6: Final answer
    x = 12,409.20

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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.