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Finding the Fourth Proportional to 8,815.92, 12,165.89 and 4,837.05

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Solution

The fourth proportional to 8,815.92, 12,165.89 and 4,837.05 is: 6,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.92 : 12,165.89 = 4,837.05 : x
  2. Step 2: Convert to fraction form
    8,815.92/12,165.89 = 4,837.05/x
  3. Step 3: Cross multiply
    8,815.92x = 12,165.89 × 4,837.05
  4. Step 4: Simplify right side
    8,815.92x = 58,846,994.04
  5. Step 5: Solve for x
    x = 58,846,994.04/8,815.92
  6. Step 6: Final answer
    x = 6,675.08

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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.