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Finding the Fourth Proportional to 2,201.01, 3,318.12 and 2,060.07

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Solution

The fourth proportional to 2,201.01, 3,318.12 and 2,060.07 is: 3,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.01 : 3,318.12 = 2,060.07 : x
  2. Step 2: Convert to fraction form
    2,201.01/3,318.12 = 2,060.07/x
  3. Step 3: Cross multiply
    2,201.01x = 3,318.12 × 2,060.07
  4. Step 4: Simplify right side
    2,201.01x = 6,835,559.47
  5. Step 5: Solve for x
    x = 6,835,559.47/2,201.01
  6. Step 6: Final answer
    x = 3,105.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.