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Finding the Fourth Proportional to 8,604.52, 12,914.70 and 5,324.02

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Solution

The fourth proportional to 8,604.52, 12,914.70 and 5,324.02 is: 7,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.52 : 12,914.70 = 5,324.02 : x
  2. Step 2: Convert to fraction form
    8,604.52/12,914.70 = 5,324.02/x
  3. Step 3: Cross multiply
    8,604.52x = 12,914.70 × 5,324.02
  4. Step 4: Simplify right side
    8,604.52x = 68,758,121.09
  5. Step 5: Solve for x
    x = 68,758,121.09/8,604.52
  6. Step 6: Final answer
    x = 7,990.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.