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Finding the Fourth Proportional to 61,958.19, 92,932.50 and 19,842.68

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Solution

The fourth proportional to 61,958.19, 92,932.50 and 19,842.68 is: 29,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.19 : 92,932.50 = 19,842.68 : x
  2. Step 2: Convert to fraction form
    61,958.19/92,932.50 = 19,842.68/x
  3. Step 3: Cross multiply
    61,958.19x = 92,932.50 × 19,842.68
  4. Step 4: Simplify right side
    61,958.19x = 1,844,029,394.44
  5. Step 5: Solve for x
    x = 1,844,029,394.44/61,958.19
  6. Step 6: Final answer
    x = 29,762.48

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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.