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Finding the Fourth Proportional to 61,739.71, 92,608.89 and 14,992.63

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Solution

The fourth proportional to 61,739.71, 92,608.89 and 14,992.63 is: 22,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.71 : 92,608.89 = 14,992.63 : x
  2. Step 2: Convert to fraction form
    61,739.71/92,608.89 = 14,992.63/x
  3. Step 3: Cross multiply
    61,739.71x = 92,608.89 × 14,992.63
  4. Step 4: Simplify right side
    61,739.71x = 1,388,450,822.48
  5. Step 5: Solve for x
    x = 1,388,450,822.48/61,739.71
  6. Step 6: Final answer
    x = 22,488.78

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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.