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Finding the Fourth Proportional to 8,711.92, 12,022.55 and 4,733.09

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Solution

The fourth proportional to 8,711.92, 12,022.55 and 4,733.09 is: 6,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.92 : 12,022.55 = 4,733.09 : x
  2. Step 2: Convert to fraction form
    8,711.92/12,022.55 = 4,733.09/x
  3. Step 3: Cross multiply
    8,711.92x = 12,022.55 × 4,733.09
  4. Step 4: Simplify right side
    8,711.92x = 56,903,787.51
  5. Step 5: Solve for x
    x = 56,903,787.51/8,711.92
  6. Step 6: Final answer
    x = 6,531.72

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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.