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Finding the Fourth Proportional to 7,330.92, 10,995.21 and 2,135.58

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Solution

The fourth proportional to 7,330.92, 10,995.21 and 2,135.58 is: 3,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.92 : 10,995.21 = 2,135.58 : x
  2. Step 2: Convert to fraction form
    7,330.92/10,995.21 = 2,135.58/x
  3. Step 3: Cross multiply
    7,330.92x = 10,995.21 × 2,135.58
  4. Step 4: Simplify right side
    7,330.92x = 23,481,150.57
  5. Step 5: Solve for x
    x = 23,481,150.57/7,330.92
  6. Step 6: Final answer
    x = 3,203.03

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1.5x scale

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.