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Finding the Fourth Proportional to 61,859.35, 92,795.82 and 19,729.63

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Solution

The fourth proportional to 61,859.35, 92,795.82 and 19,729.63 is: 29,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.35 : 92,795.82 = 19,729.63 : x
  2. Step 2: Convert to fraction form
    61,859.35/92,795.82 = 19,729.63/x
  3. Step 3: Cross multiply
    61,859.35x = 92,795.82 × 19,729.63
  4. Step 4: Simplify right side
    61,859.35x = 1,830,827,194.15
  5. Step 5: Solve for x
    x = 1,830,827,194.15/61,859.35
  6. Step 6: Final answer
    x = 29,596.61

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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.