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Finding the Fourth Proportional to 4,612.16, 6,918.22 and 2,763.83

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Solution

The fourth proportional to 4,612.16, 6,918.22 and 2,763.83 is: 4,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.16 : 6,918.22 = 2,763.83 : x
  2. Step 2: Convert to fraction form
    4,612.16/6,918.22 = 2,763.83/x
  3. Step 3: Cross multiply
    4,612.16x = 6,918.22 × 2,763.83
  4. Step 4: Simplify right side
    4,612.16x = 19,120,783.98
  5. Step 5: Solve for x
    x = 19,120,783.98/4,612.16
  6. Step 6: Final answer
    x = 4,145.73

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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.