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Finding the Fourth Proportional to 6,522.88, 9,007.55 and 4,169.12

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Solution

The fourth proportional to 6,522.88, 9,007.55 and 4,169.12 is: 5,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.88 : 9,007.55 = 4,169.12 : x
  2. Step 2: Convert to fraction form
    6,522.88/9,007.55 = 4,169.12/x
  3. Step 3: Cross multiply
    6,522.88x = 9,007.55 × 4,169.12
  4. Step 4: Simplify right side
    6,522.88x = 37,553,580.73
  5. Step 5: Solve for x
    x = 37,553,580.73/6,522.88
  6. Step 6: Final answer
    x = 5,757.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.