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Finding the Fourth Proportional to 6,571.22, 9,856.50 and 2,188.50

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Solution

The fourth proportional to 6,571.22, 9,856.50 and 2,188.50 is: 3,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.22 : 9,856.50 = 2,188.50 : x
  2. Step 2: Convert to fraction form
    6,571.22/9,856.50 = 2,188.50/x
  3. Step 3: Cross multiply
    6,571.22x = 9,856.50 × 2,188.50
  4. Step 4: Simplify right side
    6,571.22x = 21,570,950.25
  5. Step 5: Solve for x
    x = 21,570,950.25/6,571.22
  6. Step 6: Final answer
    x = 3,282.64

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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.