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Finding the Fourth Proportional to 61,958.06, 92,929.19 and 19,842.51

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Solution

The fourth proportional to 61,958.06, 92,929.19 and 19,842.51 is: 29,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.06 : 92,929.19 = 19,842.51 : x
  2. Step 2: Convert to fraction form
    61,958.06/92,929.19 = 19,842.51/x
  3. Step 3: Cross multiply
    61,958.06x = 92,929.19 × 19,842.51
  4. Step 4: Simplify right side
    61,958.06x = 1,843,948,282.65
  5. Step 5: Solve for x
    x = 1,843,948,282.65/61,958.06
  6. Step 6: Final answer
    x = 29,761.24

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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.