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Finding the Fourth Proportional to 5,393.22, 8,091.22 and 2,927.40

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Solution

The fourth proportional to 5,393.22, 8,091.22 and 2,927.40 is: 4,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.22 : 8,091.22 = 2,927.40 : x
  2. Step 2: Convert to fraction form
    5,393.22/8,091.22 = 2,927.40/x
  3. Step 3: Cross multiply
    5,393.22x = 8,091.22 × 2,927.40
  4. Step 4: Simplify right side
    5,393.22x = 23,686,237.43
  5. Step 5: Solve for x
    x = 23,686,237.43/5,393.22
  6. Step 6: Final answer
    x = 4,391.85

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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.