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Finding the Fourth Proportional to 7,346.82, 11,020.20 and 2,666.82

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Solution

The fourth proportional to 7,346.82, 11,020.20 and 2,666.82 is: 4,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.82 : 11,020.20 = 2,666.82 : x
  2. Step 2: Convert to fraction form
    7,346.82/11,020.20 = 2,666.82/x
  3. Step 3: Cross multiply
    7,346.82x = 11,020.20 × 2,666.82
  4. Step 4: Simplify right side
    7,346.82x = 29,388,936.09
  5. Step 5: Solve for x
    x = 29,388,936.09/7,346.82
  6. Step 6: Final answer
    x = 4,000.23

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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.