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Finding the Fourth Proportional to 6,951.80, 9,593.42 and 3,967.72

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Solution

The fourth proportional to 6,951.80, 9,593.42 and 3,967.72 is: 5,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.80 : 9,593.42 = 3,967.72 : x
  2. Step 2: Convert to fraction form
    6,951.80/9,593.42 = 3,967.72/x
  3. Step 3: Cross multiply
    6,951.80x = 9,593.42 × 3,967.72
  4. Step 4: Simplify right side
    6,951.80x = 38,064,004.40
  5. Step 5: Solve for x
    x = 38,064,004.40/6,951.80
  6. Step 6: Final answer
    x = 5,475.42

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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.