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Finding the Fourth Proportional to 7,157.66, 10,738.17 and 2,995.34

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Solution

The fourth proportional to 7,157.66, 10,738.17 and 2,995.34 is: 4,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.66 : 10,738.17 = 2,995.34 : x
  2. Step 2: Convert to fraction form
    7,157.66/10,738.17 = 2,995.34/x
  3. Step 3: Cross multiply
    7,157.66x = 10,738.17 × 2,995.34
  4. Step 4: Simplify right side
    7,157.66x = 32,164,416.44
  5. Step 5: Solve for x
    x = 32,164,416.44/7,157.66
  6. Step 6: Final answer
    x = 4,493.71

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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.