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Finding the Fourth Proportional to 7,373.21, 10,976.42 and 7,329.44

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Solution

The fourth proportional to 7,373.21, 10,976.42 and 7,329.44 is: 10,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.21 : 10,976.42 = 7,329.44 : x
  2. Step 2: Convert to fraction form
    7,373.21/10,976.42 = 7,329.44/x
  3. Step 3: Cross multiply
    7,373.21x = 10,976.42 × 7,329.44
  4. Step 4: Simplify right side
    7,373.21x = 80,450,920.28
  5. Step 5: Solve for x
    x = 80,450,920.28/7,373.21
  6. Step 6: Final answer
    x = 10,911.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.