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Finding the Fourth Proportional to 22,211.96, 33,317.94 and 6,629.08

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Solution

The fourth proportional to 22,211.96, 33,317.94 and 6,629.08 is: 9,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.96 : 33,317.94 = 6,629.08 : x
  2. Step 2: Convert to fraction form
    22,211.96/33,317.94 = 6,629.08/x
  3. Step 3: Cross multiply
    22,211.96x = 33,317.94 × 6,629.08
  4. Step 4: Simplify right side
    22,211.96x = 220,867,289.70
  5. Step 5: Solve for x
    x = 220,867,289.70/22,211.96
  6. Step 6: Final answer
    x = 9,943.62

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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.