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Finding the Fourth Proportional to 61,635, 92,467.86 and 17,859

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Solution

The fourth proportional to 61,635, 92,467.86 and 17,859 is: 26,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,635 : 92,467.86 = 17,859 : x
  2. Step 2: Convert to fraction form
    61,635/92,467.86 = 17,859/x
  3. Step 3: Cross multiply
    61,635x = 92,467.86 × 17,859
  4. Step 4: Simplify right side
    61,635x = 1,651,383,511.74
  5. Step 5: Solve for x
    x = 1,651,383,511.74/61,635
  6. Step 6: Final answer
    x = 26,792.95

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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.