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Finding the Fourth Proportional to 29,029.66, 43,551.79 and 8,253.16

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Solution

The fourth proportional to 29,029.66, 43,551.79 and 8,253.16 is: 12,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,029.66 : 43,551.79 = 8,253.16 : x
  2. Step 2: Convert to fraction form
    29,029.66/43,551.79 = 8,253.16/x
  3. Step 3: Cross multiply
    29,029.66x = 43,551.79 × 8,253.16
  4. Step 4: Simplify right side
    29,029.66x = 359,439,761.64
  5. Step 5: Solve for x
    x = 359,439,761.64/29,029.66
  6. Step 6: Final answer
    x = 12,381.81

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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.