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Finding the Fourth Proportional to 5,331.93, 7,989.13 and 3,764.32

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Solution

The fourth proportional to 5,331.93, 7,989.13 and 3,764.32 is: 5,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.93 : 7,989.13 = 3,764.32 : x
  2. Step 2: Convert to fraction form
    5,331.93/7,989.13 = 3,764.32/x
  3. Step 3: Cross multiply
    5,331.93x = 7,989.13 × 3,764.32
  4. Step 4: Simplify right side
    5,331.93x = 30,073,671.51
  5. Step 5: Solve for x
    x = 30,073,671.51/5,331.93
  6. Step 6: Final answer
    x = 5,640.30

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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.