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Finding the Fourth Proportional to 5,753.35, 7,939.91 and 3,235.87

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Solution

The fourth proportional to 5,753.35, 7,939.91 and 3,235.87 is: 4,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.35 : 7,939.91 = 3,235.87 : x
  2. Step 2: Convert to fraction form
    5,753.35/7,939.91 = 3,235.87/x
  3. Step 3: Cross multiply
    5,753.35x = 7,939.91 × 3,235.87
  4. Step 4: Simplify right side
    5,753.35x = 25,692,504.81
  5. Step 5: Solve for x
    x = 25,692,504.81/5,753.35
  6. Step 6: Final answer
    x = 4,465.66

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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.