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Finding the Fourth Proportional to 4,612.01, 6,917.06 and 2,147.99

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Solution

The fourth proportional to 4,612.01, 6,917.06 and 2,147.99 is: 3,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.01 : 6,917.06 = 2,147.99 : x
  2. Step 2: Convert to fraction form
    4,612.01/6,917.06 = 2,147.99/x
  3. Step 3: Cross multiply
    4,612.01x = 6,917.06 × 2,147.99
  4. Step 4: Simplify right side
    4,612.01x = 14,857,746.49
  5. Step 5: Solve for x
    x = 14,857,746.49/4,612.01
  6. Step 6: Final answer
    x = 3,221.54

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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.