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Finding the Fourth Proportional to 5,366.64, 8,036.84 and 3,168.84

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Solution

The fourth proportional to 5,366.64, 8,036.84 and 3,168.84 is: 4,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.64 : 8,036.84 = 3,168.84 : x
  2. Step 2: Convert to fraction form
    5,366.64/8,036.84 = 3,168.84/x
  3. Step 3: Cross multiply
    5,366.64x = 8,036.84 × 3,168.84
  4. Step 4: Simplify right side
    5,366.64x = 25,467,460.07
  5. Step 5: Solve for x
    x = 25,467,460.07/5,366.64
  6. Step 6: Final answer
    x = 4,745.51

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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.