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Finding the Fourth Proportional to 2,995.67, 4,493.37 and 1,147.66

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Solution

The fourth proportional to 2,995.67, 4,493.37 and 1,147.66 is: 1,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.67 : 4,493.37 = 1,147.66 : x
  2. Step 2: Convert to fraction form
    2,995.67/4,493.37 = 1,147.66/x
  3. Step 3: Cross multiply
    2,995.67x = 4,493.37 × 1,147.66
  4. Step 4: Simplify right side
    2,995.67x = 5,156,838.55
  5. Step 5: Solve for x
    x = 5,156,838.55/2,995.67
  6. Step 6: Final answer
    x = 1,721.43

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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.