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Finding the Fourth Proportional to 4,612.15, 6,917.10 and 2,144.62

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Solution

The fourth proportional to 4,612.15, 6,917.10 and 2,144.62 is: 3,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.15 : 6,917.10 = 2,144.62 : x
  2. Step 2: Convert to fraction form
    4,612.15/6,917.10 = 2,144.62/x
  3. Step 3: Cross multiply
    4,612.15x = 6,917.10 × 2,144.62
  4. Step 4: Simplify right side
    4,612.15x = 14,834,551.00
  5. Step 5: Solve for x
    x = 14,834,551.00/4,612.15
  6. Step 6: Final answer
    x = 3,216.41

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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.