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Finding the Fourth Proportional to 22,011.95, 33,027.65 and 8,889.95

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Solution

The fourth proportional to 22,011.95, 33,027.65 and 8,889.95 is: 13,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.95 : 33,027.65 = 8,889.95 : x
  2. Step 2: Convert to fraction form
    22,011.95/33,027.65 = 8,889.95/x
  3. Step 3: Cross multiply
    22,011.95x = 33,027.65 × 8,889.95
  4. Step 4: Simplify right side
    22,011.95x = 293,614,157.12
  5. Step 5: Solve for x
    x = 293,614,157.12/22,011.95
  6. Step 6: Final answer
    x = 13,338.85

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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.