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Finding the Fourth Proportional to 3,365.97, 4,645.15 and 1,949.53

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Solution

The fourth proportional to 3,365.97, 4,645.15 and 1,949.53 is: 2,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.97 : 4,645.15 = 1,949.53 : x
  2. Step 2: Convert to fraction form
    3,365.97/4,645.15 = 1,949.53/x
  3. Step 3: Cross multiply
    3,365.97x = 4,645.15 × 1,949.53
  4. Step 4: Simplify right side
    3,365.97x = 9,055,859.28
  5. Step 5: Solve for x
    x = 9,055,859.28/3,365.97
  6. Step 6: Final answer
    x = 2,690.42

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1.5x scale

Why These Related Problems?

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