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Finding the Fourth Proportional to 7,199.66, 10,725.08 and 6,982.04

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Solution

The fourth proportional to 7,199.66, 10,725.08 and 6,982.04 is: 10,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.66 : 10,725.08 = 6,982.04 : x
  2. Step 2: Convert to fraction form
    7,199.66/10,725.08 = 6,982.04/x
  3. Step 3: Cross multiply
    7,199.66x = 10,725.08 × 6,982.04
  4. Step 4: Simplify right side
    7,199.66x = 74,882,937.56
  5. Step 5: Solve for x
    x = 74,882,937.56/7,199.66
  6. Step 6: Final answer
    x = 10,400.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.