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Finding the Fourth Proportional to 22,409.21, 33,618.65 and 6,826.43

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Solution

The fourth proportional to 22,409.21, 33,618.65 and 6,826.43 is: 10,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.21 : 33,618.65 = 6,826.43 : x
  2. Step 2: Convert to fraction form
    22,409.21/33,618.65 = 6,826.43/x
  3. Step 3: Cross multiply
    22,409.21x = 33,618.65 × 6,826.43
  4. Step 4: Simplify right side
    22,409.21x = 229,495,158.69
  5. Step 5: Solve for x
    x = 229,495,158.69/22,409.21
  6. Step 6: Final answer
    x = 10,241.11

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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.