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Finding the Fourth Proportional to 5,910.53, 8,866.28 and 1,961.63

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Solution

The fourth proportional to 5,910.53, 8,866.28 and 1,961.63 is: 2,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.53 : 8,866.28 = 1,961.63 : x
  2. Step 2: Convert to fraction form
    5,910.53/8,866.28 = 1,961.63/x
  3. Step 3: Cross multiply
    5,910.53x = 8,866.28 × 1,961.63
  4. Step 4: Simplify right side
    5,910.53x = 17,392,360.84
  5. Step 5: Solve for x
    x = 17,392,360.84/5,910.53
  6. Step 6: Final answer
    x = 2,942.61

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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.