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Finding the Fourth Proportional to 43,676.82, 65,520.99 and 15,602.58

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Solution

The fourth proportional to 43,676.82, 65,520.99 and 15,602.58 is: 23,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.82 : 65,520.99 = 15,602.58 : x
  2. Step 2: Convert to fraction form
    43,676.82/65,520.99 = 15,602.58/x
  3. Step 3: Cross multiply
    43,676.82x = 65,520.99 × 15,602.58
  4. Step 4: Simplify right side
    43,676.82x = 1,022,296,488.15
  5. Step 5: Solve for x
    x = 1,022,296,488.15/43,676.82
  6. Step 6: Final answer
    x = 23,405.93

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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.