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Finding the Fourth Proportional to 8,794.91, 12,137.94 and 5,608.32

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Solution

The fourth proportional to 8,794.91, 12,137.94 and 5,608.32 is: 7,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.91 : 12,137.94 = 5,608.32 : x
  2. Step 2: Convert to fraction form
    8,794.91/12,137.94 = 5,608.32/x
  3. Step 3: Cross multiply
    8,794.91x = 12,137.94 × 5,608.32
  4. Step 4: Simplify right side
    8,794.91x = 68,073,451.66
  5. Step 5: Solve for x
    x = 68,073,451.66/8,794.91
  6. Step 6: Final answer
    x = 7,740.10

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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.