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Finding the Fourth Proportional to 4,269.66, 6,373.97 and 3,965.10

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Solution

The fourth proportional to 4,269.66, 6,373.97 and 3,965.10 is: 5,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.66 : 6,373.97 = 3,965.10 : x
  2. Step 2: Convert to fraction form
    4,269.66/6,373.97 = 3,965.10/x
  3. Step 3: Cross multiply
    4,269.66x = 6,373.97 × 3,965.10
  4. Step 4: Simplify right side
    4,269.66x = 25,273,408.62
  5. Step 5: Solve for x
    x = 25,273,408.62/4,269.66
  6. Step 6: Final answer
    x = 5,919.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.