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Finding the Fourth Proportional to 7,175.91, 10,770.36 and 3,018.99

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Solution

The fourth proportional to 7,175.91, 10,770.36 and 3,018.99 is: 4,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.91 : 10,770.36 = 3,018.99 : x
  2. Step 2: Convert to fraction form
    7,175.91/10,770.36 = 3,018.99/x
  3. Step 3: Cross multiply
    7,175.91x = 10,770.36 × 3,018.99
  4. Step 4: Simplify right side
    7,175.91x = 32,515,609.14
  5. Step 5: Solve for x
    x = 32,515,609.14/7,175.91
  6. Step 6: Final answer
    x = 4,531.22

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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.