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Finding the Fourth Proportional to 29,679.68, 44,519.16 and 8,903

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Solution

The fourth proportional to 29,679.68, 44,519.16 and 8,903 is: 13,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.68 : 44,519.16 = 8,903 : x
  2. Step 2: Convert to fraction form
    29,679.68/44,519.16 = 8,903/x
  3. Step 3: Cross multiply
    29,679.68x = 44,519.16 × 8,903
  4. Step 4: Simplify right side
    29,679.68x = 396,354,081.48
  5. Step 5: Solve for x
    x = 396,354,081.48/29,679.68
  6. Step 6: Final answer
    x = 13,354.39

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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.