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Finding the Fourth Proportional to 61,739.82, 92,600.08 and 19,614.36

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Solution

The fourth proportional to 61,739.82, 92,600.08 and 19,614.36 is: 29,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.82 : 92,600.08 = 19,614.36 : x
  2. Step 2: Convert to fraction form
    61,739.82/92,600.08 = 19,614.36/x
  3. Step 3: Cross multiply
    61,739.82x = 92,600.08 × 19,614.36
  4. Step 4: Simplify right side
    61,739.82x = 1,816,291,305.15
  5. Step 5: Solve for x
    x = 1,816,291,305.15/61,739.82
  6. Step 6: Final answer
    x = 29,418.47

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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.