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Finding the Fourth Proportional to 61,892.58, 92,834.28 and 19,770.96

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Solution

The fourth proportional to 61,892.58, 92,834.28 and 19,770.96 is: 29,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.58 : 92,834.28 = 19,770.96 : x
  2. Step 2: Convert to fraction form
    61,892.58/92,834.28 = 19,770.96/x
  3. Step 3: Cross multiply
    61,892.58x = 92,834.28 × 19,770.96
  4. Step 4: Simplify right side
    61,892.58x = 1,835,422,836.51
  5. Step 5: Solve for x
    x = 1,835,422,836.51/61,892.58
  6. Step 6: Final answer
    x = 29,654.97

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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.