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Finding the Fourth Proportional to 61,739.21, 92,608.14 and 14,992.13

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Solution

The fourth proportional to 61,739.21, 92,608.14 and 14,992.13 is: 22,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.21 : 92,608.14 = 14,992.13 : x
  2. Step 2: Convert to fraction form
    61,739.21/92,608.14 = 14,992.13/x
  3. Step 3: Cross multiply
    61,739.21x = 92,608.14 × 14,992.13
  4. Step 4: Simplify right side
    61,739.21x = 1,388,393,273.94
  5. Step 5: Solve for x
    x = 1,388,393,273.94/61,739.21
  6. Step 6: Final answer
    x = 22,488.03

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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.