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Finding the Fourth Proportional to 6,924.92, 10,398.90 and 6,871.16

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Solution

The fourth proportional to 6,924.92, 10,398.90 and 6,871.16 is: 10,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.92 : 10,398.90 = 6,871.16 : x
  2. Step 2: Convert to fraction form
    6,924.92/10,398.90 = 6,871.16/x
  3. Step 3: Cross multiply
    6,924.92x = 10,398.90 × 6,871.16
  4. Step 4: Simplify right side
    6,924.92x = 71,452,505.72
  5. Step 5: Solve for x
    x = 71,452,505.72/6,924.92
  6. Step 6: Final answer
    x = 10,318.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.