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Finding the Fourth Proportional to 6,871.17, 9,482.27 and 3,727.38

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Solution

The fourth proportional to 6,871.17, 9,482.27 and 3,727.38 is: 5,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.17 : 9,482.27 = 3,727.38 : x
  2. Step 2: Convert to fraction form
    6,871.17/9,482.27 = 3,727.38/x
  3. Step 3: Cross multiply
    6,871.17x = 9,482.27 × 3,727.38
  4. Step 4: Simplify right side
    6,871.17x = 35,344,004.92
  5. Step 5: Solve for x
    x = 35,344,004.92/6,871.17
  6. Step 6: Final answer
    x = 5,143.81

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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.