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Finding the Fourth Proportional to 66,604.60, 99,910.72 and 25,051.96

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Solution

The fourth proportional to 66,604.60, 99,910.72 and 25,051.96 is: 37,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.60 : 99,910.72 = 25,051.96 : x
  2. Step 2: Convert to fraction form
    66,604.60/99,910.72 = 25,051.96/x
  3. Step 3: Cross multiply
    66,604.60x = 99,910.72 × 25,051.96
  4. Step 4: Simplify right side
    66,604.60x = 2,502,959,361.01
  5. Step 5: Solve for x
    x = 2,502,959,361.01/66,604.60
  6. Step 6: Final answer
    x = 37,579.38

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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.