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Finding the Fourth Proportional to 2,067.48, 3,101.86 and 606.66

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Solution

The fourth proportional to 2,067.48, 3,101.86 and 606.66 is: 910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.48 : 3,101.86 = 606.66 : x
  2. Step 2: Convert to fraction form
    2,067.48/3,101.86 = 606.66/x
  3. Step 3: Cross multiply
    2,067.48x = 3,101.86 × 606.66
  4. Step 4: Simplify right side
    2,067.48x = 1,881,774.39
  5. Step 5: Solve for x
    x = 1,881,774.39/2,067.48
  6. Step 6: Final answer
    x = 910.18

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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.