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Finding the Fourth Proportional to 22,459.86, 33,690.38 and 5,819.76

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Solution

The fourth proportional to 22,459.86, 33,690.38 and 5,819.76 is: 8,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.86 : 33,690.38 = 5,819.76 : x
  2. Step 2: Convert to fraction form
    22,459.86/33,690.38 = 5,819.76/x
  3. Step 3: Cross multiply
    22,459.86x = 33,690.38 × 5,819.76
  4. Step 4: Simplify right side
    22,459.86x = 196,069,896.81
  5. Step 5: Solve for x
    x = 196,069,896.81/22,459.86
  6. Step 6: Final answer
    x = 8,729.79

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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.