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Finding the Fourth Proportional to 22,036.66, 33,040.64 and 7,994.06

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Solution

The fourth proportional to 22,036.66, 33,040.64 and 7,994.06 is: 11,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.66 : 33,040.64 = 7,994.06 : x
  2. Step 2: Convert to fraction form
    22,036.66/33,040.64 = 7,994.06/x
  3. Step 3: Cross multiply
    22,036.66x = 33,040.64 × 7,994.06
  4. Step 4: Simplify right side
    22,036.66x = 264,128,858.60
  5. Step 5: Solve for x
    x = 264,128,858.60/22,036.66
  6. Step 6: Final answer
    x = 11,985.88

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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.