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Finding the Fourth Proportional to 5,393.32, 8,089.91 and 2,943.74

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Solution

The fourth proportional to 5,393.32, 8,089.91 and 2,943.74 is: 4,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.32 : 8,089.91 = 2,943.74 : x
  2. Step 2: Convert to fraction form
    5,393.32/8,089.91 = 2,943.74/x
  3. Step 3: Cross multiply
    5,393.32x = 8,089.91 × 2,943.74
  4. Step 4: Simplify right side
    5,393.32x = 23,814,608.21
  5. Step 5: Solve for x
    x = 23,814,608.21/5,393.32
  6. Step 6: Final answer
    x = 4,415.58

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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.