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Finding the Fourth Proportional to 6,174.33, 8,527.91 and 4,919.64

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Solution

The fourth proportional to 6,174.33, 8,527.91 and 4,919.64 is: 6,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.33 : 8,527.91 = 4,919.64 : x
  2. Step 2: Convert to fraction form
    6,174.33/8,527.91 = 4,919.64/x
  3. Step 3: Cross multiply
    6,174.33x = 8,527.91 × 4,919.64
  4. Step 4: Simplify right side
    6,174.33x = 41,954,247.15
  5. Step 5: Solve for x
    x = 41,954,247.15/6,174.33
  6. Step 6: Final answer
    x = 6,794.95

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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.