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Finding the Fourth Proportional to 6,571.73, 9,859.52 and 3,905.79

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Solution

The fourth proportional to 6,571.73, 9,859.52 and 3,905.79 is: 5,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.73 : 9,859.52 = 3,905.79 : x
  2. Step 2: Convert to fraction form
    6,571.73/9,859.52 = 3,905.79/x
  3. Step 3: Cross multiply
    6,571.73x = 9,859.52 × 3,905.79
  4. Step 4: Simplify right side
    6,571.73x = 38,509,187.41
  5. Step 5: Solve for x
    x = 38,509,187.41/6,571.73
  6. Step 6: Final answer
    x = 5,859.82

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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.