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Finding the Fourth Proportional to 8,806.73, 12,152.43 and 5,269.86

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Solution

The fourth proportional to 8,806.73, 12,152.43 and 5,269.86 is: 7,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.73 : 12,152.43 = 5,269.86 : x
  2. Step 2: Convert to fraction form
    8,806.73/12,152.43 = 5,269.86/x
  3. Step 3: Cross multiply
    8,806.73x = 12,152.43 × 5,269.86
  4. Step 4: Simplify right side
    8,806.73x = 64,041,604.76
  5. Step 5: Solve for x
    x = 64,041,604.76/8,806.73
  6. Step 6: Final answer
    x = 7,271.90

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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.