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Finding the Fourth Proportional to 6,966, 9,613.08 and 4,173.12

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Solution

The fourth proportional to 6,966, 9,613.08 and 4,173.12 is: 5,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966 : 9,613.08 = 4,173.12 : x
  2. Step 2: Convert to fraction form
    6,966/9,613.08 = 4,173.12/x
  3. Step 3: Cross multiply
    6,966x = 9,613.08 × 4,173.12
  4. Step 4: Simplify right side
    6,966x = 40,116,536.41
  5. Step 5: Solve for x
    x = 40,116,536.41/6,966
  6. Step 6: Final answer
    x = 5,758.91

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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.