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Finding the Fourth Proportional to 66,633.64, 99,916.50 and 22,244.44

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Solution

The fourth proportional to 66,633.64, 99,916.50 and 22,244.44 is: 33,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.64 : 99,916.50 = 22,244.44 : x
  2. Step 2: Convert to fraction form
    66,633.64/99,916.50 = 22,244.44/x
  3. Step 3: Cross multiply
    66,633.64x = 99,916.50 × 22,244.44
  4. Step 4: Simplify right side
    66,633.64x = 2,222,586,589.26
  5. Step 5: Solve for x
    x = 2,222,586,589.26/66,633.64
  6. Step 6: Final answer
    x = 33,355.32

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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.