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Finding the Fourth Proportional to 66,644.94, 99,942.84 and 22,259.82

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Solution

The fourth proportional to 66,644.94, 99,942.84 and 22,259.82 is: 33,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644.94 : 99,942.84 = 22,259.82 : x
  2. Step 2: Convert to fraction form
    66,644.94/99,942.84 = 22,259.82/x
  3. Step 3: Cross multiply
    66,644.94x = 99,942.84 × 22,259.82
  4. Step 4: Simplify right side
    66,644.94x = 2,224,709,628.69
  5. Step 5: Solve for x
    x = 2,224,709,628.69/66,644.94
  6. Step 6: Final answer
    x = 33,381.52

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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.