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Finding the Fourth Proportional to 29,089.40, 43,635.04 and 8,031.02

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Solution

The fourth proportional to 29,089.40, 43,635.04 and 8,031.02 is: 12,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.40 : 43,635.04 = 8,031.02 : x
  2. Step 2: Convert to fraction form
    29,089.40/43,635.04 = 8,031.02/x
  3. Step 3: Cross multiply
    29,089.40x = 43,635.04 × 8,031.02
  4. Step 4: Simplify right side
    29,089.40x = 350,433,640.69
  5. Step 5: Solve for x
    x = 350,433,640.69/29,089.40
  6. Step 6: Final answer
    x = 12,046.78

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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.