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Finding the Fourth Proportional to 5,282.62, 7,923.17 and 1,995.28

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Solution

The fourth proportional to 5,282.62, 7,923.17 and 1,995.28 is: 2,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.62 : 7,923.17 = 1,995.28 : x
  2. Step 2: Convert to fraction form
    5,282.62/7,923.17 = 1,995.28/x
  3. Step 3: Cross multiply
    5,282.62x = 7,923.17 × 1,995.28
  4. Step 4: Simplify right side
    5,282.62x = 15,808,961.16
  5. Step 5: Solve for x
    x = 15,808,961.16/5,282.62
  6. Step 6: Final answer
    x = 2,992.64

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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.