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Finding the Fourth Proportional to 66,995.27, 100,507.98 and 22,620.84

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Solution

The fourth proportional to 66,995.27, 100,507.98 and 22,620.84 is: 33,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,995.27 : 100,507.98 = 22,620.84 : x
  2. Step 2: Convert to fraction form
    66,995.27/100,507.98 = 22,620.84/x
  3. Step 3: Cross multiply
    66,995.27x = 100,507.98 × 22,620.84
  4. Step 4: Simplify right side
    66,995.27x = 2,273,574,934.30
  5. Step 5: Solve for x
    x = 2,273,574,934.30/66,995.27
  6. Step 6: Final answer
    x = 33,936.35

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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.