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Finding the Fourth Proportional to 12,750.94, 19,098.66 and 6,163.25

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Solution

The fourth proportional to 12,750.94, 19,098.66 and 6,163.25 is: 9,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.94 : 19,098.66 = 6,163.25 : x
  2. Step 2: Convert to fraction form
    12,750.94/19,098.66 = 6,163.25/x
  3. Step 3: Cross multiply
    12,750.94x = 19,098.66 × 6,163.25
  4. Step 4: Simplify right side
    12,750.94x = 117,709,816.25
  5. Step 5: Solve for x
    x = 117,709,816.25/12,750.94
  6. Step 6: Final answer
    x = 9,231.47

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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.