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Finding the Fourth Proportional to 6,471.24, 8,930.31 and 3,676.74

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Solution

The fourth proportional to 6,471.24, 8,930.31 and 3,676.74 is: 5,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.24 : 8,930.31 = 3,676.74 : x
  2. Step 2: Convert to fraction form
    6,471.24/8,930.31 = 3,676.74/x
  3. Step 3: Cross multiply
    6,471.24x = 8,930.31 × 3,676.74
  4. Step 4: Simplify right side
    6,471.24x = 32,834,427.99
  5. Step 5: Solve for x
    x = 32,834,427.99/6,471.24
  6. Step 6: Final answer
    x = 5,073.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.