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Finding the Fourth Proportional to 8,622.62, 11,899.05 and 4,794.49

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Solution

The fourth proportional to 8,622.62, 11,899.05 and 4,794.49 is: 6,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.62 : 11,899.05 = 4,794.49 : x
  2. Step 2: Convert to fraction form
    8,622.62/11,899.05 = 4,794.49/x
  3. Step 3: Cross multiply
    8,622.62x = 11,899.05 × 4,794.49
  4. Step 4: Simplify right side
    8,622.62x = 57,049,816.74
  5. Step 5: Solve for x
    x = 57,049,816.74/8,622.62
  6. Step 6: Final answer
    x = 6,616.30

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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.