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Finding the Fourth Proportional to 6,699.78, 10,033.20 and 5,522.58

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Solution

The fourth proportional to 6,699.78, 10,033.20 and 5,522.58 is: 8,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.78 : 10,033.20 = 5,522.58 : x
  2. Step 2: Convert to fraction form
    6,699.78/10,033.20 = 5,522.58/x
  3. Step 3: Cross multiply
    6,699.78x = 10,033.20 × 5,522.58
  4. Step 4: Simplify right side
    6,699.78x = 55,409,149.66
  5. Step 5: Solve for x
    x = 55,409,149.66/6,699.78
  6. Step 6: Final answer
    x = 8,270.29

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1.5x scale

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.