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Finding the Fourth Proportional to 4,571.70, 6,305.22 and 3,865.48

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Solution

The fourth proportional to 4,571.70, 6,305.22 and 3,865.48 is: 5,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.70 : 6,305.22 = 3,865.48 : x
  2. Step 2: Convert to fraction form
    4,571.70/6,305.22 = 3,865.48/x
  3. Step 3: Cross multiply
    4,571.70x = 6,305.22 × 3,865.48
  4. Step 4: Simplify right side
    4,571.70x = 24,372,701.81
  5. Step 5: Solve for x
    x = 24,372,701.81/4,571.70
  6. Step 6: Final answer
    x = 5,331.21

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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.