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Finding the Fourth Proportional to 7,323.94, 10,976.77 and 3,572.62

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Solution

The fourth proportional to 7,323.94, 10,976.77 and 3,572.62 is: 5,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.94 : 10,976.77 = 3,572.62 : x
  2. Step 2: Convert to fraction form
    7,323.94/10,976.77 = 3,572.62/x
  3. Step 3: Cross multiply
    7,323.94x = 10,976.77 × 3,572.62
  4. Step 4: Simplify right side
    7,323.94x = 39,215,846.71
  5. Step 5: Solve for x
    x = 39,215,846.71/7,323.94
  6. Step 6: Final answer
    x = 5,354.48

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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.