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Finding the Fourth Proportional to 4,571.84, 6,859.44 and 1,939.92

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Solution

The fourth proportional to 4,571.84, 6,859.44 and 1,939.92 is: 2,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.84 : 6,859.44 = 1,939.92 : x
  2. Step 2: Convert to fraction form
    4,571.84/6,859.44 = 1,939.92/x
  3. Step 3: Cross multiply
    4,571.84x = 6,859.44 × 1,939.92
  4. Step 4: Simplify right side
    4,571.84x = 13,306,764.84
  5. Step 5: Solve for x
    x = 13,306,764.84/4,571.84
  6. Step 6: Final answer
    x = 2,910.59

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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.