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Finding the Fourth Proportional to 2,221.75, 3,066.02 and 1,337.59

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Solution

The fourth proportional to 2,221.75, 3,066.02 and 1,337.59 is: 1,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.75 : 3,066.02 = 1,337.59 : x
  2. Step 2: Convert to fraction form
    2,221.75/3,066.02 = 1,337.59/x
  3. Step 3: Cross multiply
    2,221.75x = 3,066.02 × 1,337.59
  4. Step 4: Simplify right side
    2,221.75x = 4,101,077.69
  5. Step 5: Solve for x
    x = 4,101,077.69/2,221.75
  6. Step 6: Final answer
    x = 1,845.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.