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Finding the Fourth Proportional to 6,145.64, 8,480.94 and 3,351.14

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Solution

The fourth proportional to 6,145.64, 8,480.94 and 3,351.14 is: 4,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.64 : 8,480.94 = 3,351.14 : x
  2. Step 2: Convert to fraction form
    6,145.64/8,480.94 = 3,351.14/x
  3. Step 3: Cross multiply
    6,145.64x = 8,480.94 × 3,351.14
  4. Step 4: Simplify right side
    6,145.64x = 28,420,817.27
  5. Step 5: Solve for x
    x = 28,420,817.27/6,145.64
  6. Step 6: Final answer
    x = 4,624.55

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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.