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Finding the Fourth Proportional to 16,362.22, 22,581.03 and 9,289.11

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Solution

The fourth proportional to 16,362.22, 22,581.03 and 9,289.11 is: 12,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.22 : 22,581.03 = 9,289.11 : x
  2. Step 2: Convert to fraction form
    16,362.22/22,581.03 = 9,289.11/x
  3. Step 3: Cross multiply
    16,362.22x = 22,581.03 × 9,289.11
  4. Step 4: Simplify right side
    16,362.22x = 209,757,671.58
  5. Step 5: Solve for x
    x = 209,757,671.58/16,362.22
  6. Step 6: Final answer
    x = 12,819.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.