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Finding the Fourth Proportional to 12,367.18, 18,552.93 and 5,441.50

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Solution

The fourth proportional to 12,367.18, 18,552.93 and 5,441.50 is: 8,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.18 : 18,552.93 = 5,441.50 : x
  2. Step 2: Convert to fraction form
    12,367.18/18,552.93 = 5,441.50/x
  3. Step 3: Cross multiply
    12,367.18x = 18,552.93 × 5,441.50
  4. Step 4: Simplify right side
    12,367.18x = 100,955,768.60
  5. Step 5: Solve for x
    x = 100,955,768.60/12,367.18
  6. Step 6: Final answer
    x = 8,163.20

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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.