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Finding the Fourth Proportional to 17,676.79, 26,515.11 and 4,529.14

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Solution

The fourth proportional to 17,676.79, 26,515.11 and 4,529.14 is: 6,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.79 : 26,515.11 = 4,529.14 : x
  2. Step 2: Convert to fraction form
    17,676.79/26,515.11 = 4,529.14/x
  3. Step 3: Cross multiply
    17,676.79x = 26,515.11 × 4,529.14
  4. Step 4: Simplify right side
    17,676.79x = 120,090,645.31
  5. Step 5: Solve for x
    x = 120,090,645.31/17,676.79
  6. Step 6: Final answer
    x = 6,793.69

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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.