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Finding the Fourth Proportional to 7,175.97, 10,761.14 and 3,017.97

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Solution

The fourth proportional to 7,175.97, 10,761.14 and 3,017.97 is: 4,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.97 : 10,761.14 = 3,017.97 : x
  2. Step 2: Convert to fraction form
    7,175.97/10,761.14 = 3,017.97/x
  3. Step 3: Cross multiply
    7,175.97x = 10,761.14 × 3,017.97
  4. Step 4: Simplify right side
    7,175.97x = 32,476,782.60
  5. Step 5: Solve for x
    x = 32,476,782.60/7,175.97
  6. Step 6: Final answer
    x = 4,525.77

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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.