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Finding the Fourth Proportional to 6,622.62, 9,935.91 and 4,522.80

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Solution

The fourth proportional to 6,622.62, 9,935.91 and 4,522.80 is: 6,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.62 : 9,935.91 = 4,522.80 : x
  2. Step 2: Convert to fraction form
    6,622.62/9,935.91 = 4,522.80/x
  3. Step 3: Cross multiply
    6,622.62x = 9,935.91 × 4,522.80
  4. Step 4: Simplify right side
    6,622.62x = 44,938,133.75
  5. Step 5: Solve for x
    x = 44,938,133.75/6,622.62
  6. Step 6: Final answer
    x = 6,785.55

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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.