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Finding the Fourth Proportional to 22,219.56, 33,329.39 and 8,898.56

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Solution

The fourth proportional to 22,219.56, 33,329.39 and 8,898.56 is: 13,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.56 : 33,329.39 = 8,898.56 : x
  2. Step 2: Convert to fraction form
    22,219.56/33,329.39 = 8,898.56/x
  3. Step 3: Cross multiply
    22,219.56x = 33,329.39 × 8,898.56
  4. Step 4: Simplify right side
    22,219.56x = 296,583,365.54
  5. Step 5: Solve for x
    x = 296,583,365.54/22,219.56
  6. Step 6: Final answer
    x = 13,347.85

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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.