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Finding the Fourth Proportional to 6,950, 9,591.12 and 3,806.48

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Solution

The fourth proportional to 6,950, 9,591.12 and 3,806.48 is: 5,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950 : 9,591.12 = 3,806.48 : x
  2. Step 2: Convert to fraction form
    6,950/9,591.12 = 3,806.48/x
  3. Step 3: Cross multiply
    6,950x = 9,591.12 × 3,806.48
  4. Step 4: Simplify right side
    6,950x = 36,508,406.46
  5. Step 5: Solve for x
    x = 36,508,406.46/6,950
  6. Step 6: Final answer
    x = 5,253.01

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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.