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Finding the Fourth Proportional to 22,011.32, 33,026.73 and 8,889.32

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Solution

The fourth proportional to 22,011.32, 33,026.73 and 8,889.32 is: 13,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.32 : 33,026.73 = 8,889.32 : x
  2. Step 2: Convert to fraction form
    22,011.32/33,026.73 = 8,889.32/x
  3. Step 3: Cross multiply
    22,011.32x = 33,026.73 × 8,889.32
  4. Step 4: Simplify right side
    22,011.32x = 293,585,171.52
  5. Step 5: Solve for x
    x = 293,585,171.52/22,011.32
  6. Step 6: Final answer
    x = 13,337.92

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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.