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Finding the Fourth Proportional to 5,931.39, 8,891.82 and 3,328.86

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Solution

The fourth proportional to 5,931.39, 8,891.82 and 3,328.86 is: 4,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.39 : 8,891.82 = 3,328.86 : x
  2. Step 2: Convert to fraction form
    5,931.39/8,891.82 = 3,328.86/x
  3. Step 3: Cross multiply
    5,931.39x = 8,891.82 × 3,328.86
  4. Step 4: Simplify right side
    5,931.39x = 29,599,623.93
  5. Step 5: Solve for x
    x = 29,599,623.93/5,931.39
  6. Step 6: Final answer
    x = 4,990.34

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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.