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Finding the Fourth Proportional to 6,965.92, 9,617.52 and 4,317.22

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Solution

The fourth proportional to 6,965.92, 9,617.52 and 4,317.22 is: 5,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.92 : 9,617.52 = 4,317.22 : x
  2. Step 2: Convert to fraction form
    6,965.92/9,617.52 = 4,317.22/x
  3. Step 3: Cross multiply
    6,965.92x = 9,617.52 × 4,317.22
  4. Step 4: Simplify right side
    6,965.92x = 41,520,949.69
  5. Step 5: Solve for x
    x = 41,520,949.69/6,965.92
  6. Step 6: Final answer
    x = 5,960.58

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1.5x scale

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.