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Finding the Fourth Proportional to 8,456.73, 11,676.03 and 5,271.30

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Solution

The fourth proportional to 8,456.73, 11,676.03 and 5,271.30 is: 7,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.73 : 11,676.03 = 5,271.30 : x
  2. Step 2: Convert to fraction form
    8,456.73/11,676.03 = 5,271.30/x
  3. Step 3: Cross multiply
    8,456.73x = 11,676.03 × 5,271.30
  4. Step 4: Simplify right side
    8,456.73x = 61,547,856.94
  5. Step 5: Solve for x
    x = 61,547,856.94/8,456.73
  6. Step 6: Final answer
    x = 7,277.97

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