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Finding the Fourth Proportional to 6,995.88, 10,493.84 and 2,613.28

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Solution

The fourth proportional to 6,995.88, 10,493.84 and 2,613.28 is: 3,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.88 : 10,493.84 = 2,613.28 : x
  2. Step 2: Convert to fraction form
    6,995.88/10,493.84 = 2,613.28/x
  3. Step 3: Cross multiply
    6,995.88x = 10,493.84 × 2,613.28
  4. Step 4: Simplify right side
    6,995.88x = 27,423,342.20
  5. Step 5: Solve for x
    x = 27,423,342.20/6,995.88
  6. Step 6: Final answer
    x = 3,919.93

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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.