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Finding the Fourth Proportional to 5,503.35, 8,255.66 and 1,995

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Solution

The fourth proportional to 5,503.35, 8,255.66 and 1,995 is: 2,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.35 : 8,255.66 = 1,995 : x
  2. Step 2: Convert to fraction form
    5,503.35/8,255.66 = 1,995/x
  3. Step 3: Cross multiply
    5,503.35x = 8,255.66 × 1,995
  4. Step 4: Simplify right side
    5,503.35x = 16,470,041.70
  5. Step 5: Solve for x
    x = 16,470,041.70/5,503.35
  6. Step 6: Final answer
    x = 2,992.73

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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.