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Finding the Fourth Proportional to 22,018.74, 33,019.65 and 7,974.63

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Solution

The fourth proportional to 22,018.74, 33,019.65 and 7,974.63 is: 11,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.74 : 33,019.65 = 7,974.63 : x
  2. Step 2: Convert to fraction form
    22,018.74/33,019.65 = 7,974.63/x
  3. Step 3: Cross multiply
    22,018.74x = 33,019.65 × 7,974.63
  4. Step 4: Simplify right side
    22,018.74x = 263,319,491.48
  5. Step 5: Solve for x
    x = 263,319,491.48/22,018.74
  6. Step 6: Final answer
    x = 11,958.88

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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.