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Finding the Fourth Proportional to 22,038.66, 33,043.64 and 7,996.06

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Solution

The fourth proportional to 22,038.66, 33,043.64 and 7,996.06 is: 11,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.66 : 33,043.64 = 7,996.06 : x
  2. Step 2: Convert to fraction form
    22,038.66/33,043.64 = 7,996.06/x
  3. Step 3: Cross multiply
    22,038.66x = 33,043.64 × 7,996.06
  4. Step 4: Simplify right side
    22,038.66x = 264,218,928.06
  5. Step 5: Solve for x
    x = 264,218,928.06/22,038.66
  6. Step 6: Final answer
    x = 11,988.88

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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.