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Finding the Fourth Proportional to 29,858.82, 44,789.80 and 7,672.35

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Solution

The fourth proportional to 29,858.82, 44,789.80 and 7,672.35 is: 11,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,858.82 : 44,789.80 = 7,672.35 : x
  2. Step 2: Convert to fraction form
    29,858.82/44,789.80 = 7,672.35/x
  3. Step 3: Cross multiply
    29,858.82x = 44,789.80 × 7,672.35
  4. Step 4: Simplify right side
    29,858.82x = 343,643,022.03
  5. Step 5: Solve for x
    x = 343,643,022.03/29,858.82
  6. Step 6: Final answer
    x = 11,508.93

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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.