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Finding the Fourth Proportional to 5,906.64, 8,859.90 and 2,618.82

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Solution

The fourth proportional to 5,906.64, 8,859.90 and 2,618.82 is: 3,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.64 : 8,859.90 = 2,618.82 : x
  2. Step 2: Convert to fraction form
    5,906.64/8,859.90 = 2,618.82/x
  3. Step 3: Cross multiply
    5,906.64x = 8,859.90 × 2,618.82
  4. Step 4: Simplify right side
    5,906.64x = 23,202,483.32
  5. Step 5: Solve for x
    x = 23,202,483.32/5,906.64
  6. Step 6: Final answer
    x = 3,928.20

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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.