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Finding the Fourth Proportional to 22,362.76, 33,558.72 and 8,511.76

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Solution

The fourth proportional to 22,362.76, 33,558.72 and 8,511.76 is: 12,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.76 : 33,558.72 = 8,511.76 : x
  2. Step 2: Convert to fraction form
    22,362.76/33,558.72 = 8,511.76/x
  3. Step 3: Cross multiply
    22,362.76x = 33,558.72 × 8,511.76
  4. Step 4: Simplify right side
    22,362.76x = 285,643,770.55
  5. Step 5: Solve for x
    x = 285,643,770.55/22,362.76
  6. Step 6: Final answer
    x = 12,773.19

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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.