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Finding the Fourth Proportional to 29,287.29, 43,899.94 and 9,560.55

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Solution

The fourth proportional to 29,287.29, 43,899.94 and 9,560.55 is: 14,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.29 : 43,899.94 = 9,560.55 : x
  2. Step 2: Convert to fraction form
    29,287.29/43,899.94 = 9,560.55/x
  3. Step 3: Cross multiply
    29,287.29x = 43,899.94 × 9,560.55
  4. Step 4: Simplify right side
    29,287.29x = 419,707,571.37
  5. Step 5: Solve for x
    x = 419,707,571.37/29,287.29
  6. Step 6: Final answer
    x = 14,330.71

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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.