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Finding the Fourth Proportional to 61,953.75, 92,930.31 and 17,580.58

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Solution

The fourth proportional to 61,953.75, 92,930.31 and 17,580.58 is: 26,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,953.75 : 92,930.31 = 17,580.58 : x
  2. Step 2: Convert to fraction form
    61,953.75/92,930.31 = 17,580.58/x
  3. Step 3: Cross multiply
    61,953.75x = 92,930.31 × 17,580.58
  4. Step 4: Simplify right side
    61,953.75x = 1,633,768,517.05
  5. Step 5: Solve for x
    x = 1,633,768,517.05/61,953.75
  6. Step 6: Final answer
    x = 26,370.78

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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.