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Finding the Fourth Proportional to 5,937.80, 8,913.59 and 3,474.38

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Solution

The fourth proportional to 5,937.80, 8,913.59 and 3,474.38 is: 5,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.80 : 8,913.59 = 3,474.38 : x
  2. Step 2: Convert to fraction form
    5,937.80/8,913.59 = 3,474.38/x
  3. Step 3: Cross multiply
    5,937.80x = 8,913.59 × 3,474.38
  4. Step 4: Simplify right side
    5,937.80x = 30,969,198.82
  5. Step 5: Solve for x
    x = 30,969,198.82/5,937.80
  6. Step 6: Final answer
    x = 5,215.61

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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.