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Finding the Fourth Proportional to 5,838.54, 8,754.57 and 1,940.82

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Solution

The fourth proportional to 5,838.54, 8,754.57 and 1,940.82 is: 2,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.54 : 8,754.57 = 1,940.82 : x
  2. Step 2: Convert to fraction form
    5,838.54/8,754.57 = 1,940.82/x
  3. Step 3: Cross multiply
    5,838.54x = 8,754.57 × 1,940.82
  4. Step 4: Simplify right side
    5,838.54x = 16,991,044.55
  5. Step 5: Solve for x
    x = 16,991,044.55/5,838.54
  6. Step 6: Final answer
    x = 2,910.15

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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.