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Finding the Fourth Proportional to 7,323.72, 10,969.17 and 4,395.98

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Solution

The fourth proportional to 7,323.72, 10,969.17 and 4,395.98 is: 6,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.72 : 10,969.17 = 4,395.98 : x
  2. Step 2: Convert to fraction form
    7,323.72/10,969.17 = 4,395.98/x
  3. Step 3: Cross multiply
    7,323.72x = 10,969.17 × 4,395.98
  4. Step 4: Simplify right side
    7,323.72x = 48,220,251.94
  5. Step 5: Solve for x
    x = 48,220,251.94/7,323.72
  6. Step 6: Final answer
    x = 6,584.12

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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.