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Finding the Fourth Proportional to 5,334.88, 8,002.32 and 4,420.96

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Solution

The fourth proportional to 5,334.88, 8,002.32 and 4,420.96 is: 6,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.88 : 8,002.32 = 4,420.96 : x
  2. Step 2: Convert to fraction form
    5,334.88/8,002.32 = 4,420.96/x
  3. Step 3: Cross multiply
    5,334.88x = 8,002.32 × 4,420.96
  4. Step 4: Simplify right side
    5,334.88x = 35,377,936.63
  5. Step 5: Solve for x
    x = 35,377,936.63/5,334.88
  6. Step 6: Final answer
    x = 6,631.44

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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.