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Finding the Fourth Proportional to 61,604.88, 92,418.72 and 19,495.58

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Solution

The fourth proportional to 61,604.88, 92,418.72 and 19,495.58 is: 29,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.88 : 92,418.72 = 19,495.58 : x
  2. Step 2: Convert to fraction form
    61,604.88/92,418.72 = 19,495.58/x
  3. Step 3: Cross multiply
    61,604.88x = 92,418.72 × 19,495.58
  4. Step 4: Simplify right side
    61,604.88x = 1,801,756,087.16
  5. Step 5: Solve for x
    x = 1,801,756,087.16/61,604.88
  6. Step 6: Final answer
    x = 29,246.97

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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.