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Finding the Fourth Proportional to 22,033.66, 33,036.13 and 7,991.07

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Solution

The fourth proportional to 22,033.66, 33,036.13 and 7,991.07 is: 11,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.66 : 33,036.13 = 7,991.07 : x
  2. Step 2: Convert to fraction form
    22,033.66/33,036.13 = 7,991.07/x
  3. Step 3: Cross multiply
    22,033.66x = 33,036.13 × 7,991.07
  4. Step 4: Simplify right side
    22,033.66x = 263,994,027.36
  5. Step 5: Solve for x
    x = 263,994,027.36/22,033.66
  6. Step 6: Final answer
    x = 11,981.40

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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.