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Finding the Fourth Proportional to 2,859.33, 3,945.61 and 1,600.41

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Solution

The fourth proportional to 2,859.33, 3,945.61 and 1,600.41 is: 2,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.33 : 3,945.61 = 1,600.41 : x
  2. Step 2: Convert to fraction form
    2,859.33/3,945.61 = 1,600.41/x
  3. Step 3: Cross multiply
    2,859.33x = 3,945.61 × 1,600.41
  4. Step 4: Simplify right side
    2,859.33x = 6,314,569.97
  5. Step 5: Solve for x
    x = 6,314,569.97/2,859.33
  6. Step 6: Final answer
    x = 2,208.41

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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.