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Finding the Fourth Proportional to 2,601.91, 3,903.09 and 846.84

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Solution

The fourth proportional to 2,601.91, 3,903.09 and 846.84 is: 1,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.91 : 3,903.09 = 846.84 : x
  2. Step 2: Convert to fraction form
    2,601.91/3,903.09 = 846.84/x
  3. Step 3: Cross multiply
    2,601.91x = 3,903.09 × 846.84
  4. Step 4: Simplify right side
    2,601.91x = 3,305,292.74
  5. Step 5: Solve for x
    x = 3,305,292.74/2,601.91
  6. Step 6: Final answer
    x = 1,270.33

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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.