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Finding the Fourth Proportional to 3,150.51, 4,726.44 and 959.41

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Solution

The fourth proportional to 3,150.51, 4,726.44 and 959.41 is: 1,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.51 : 4,726.44 = 959.41 : x
  2. Step 2: Convert to fraction form
    3,150.51/4,726.44 = 959.41/x
  3. Step 3: Cross multiply
    3,150.51x = 4,726.44 × 959.41
  4. Step 4: Simplify right side
    3,150.51x = 4,534,593.80
  5. Step 5: Solve for x
    x = 4,534,593.80/3,150.51
  6. Step 6: Final answer
    x = 1,439.32

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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.