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Finding the Fourth Proportional to 61,359.54, 91,945.02 and 36,349.83

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Solution

The fourth proportional to 61,359.54, 91,945.02 and 36,349.83 is: 54,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.54 : 91,945.02 = 36,349.83 : x
  2. Step 2: Convert to fraction form
    61,359.54/91,945.02 = 36,349.83/x
  3. Step 3: Cross multiply
    61,359.54x = 91,945.02 × 36,349.83
  4. Step 4: Simplify right side
    61,359.54x = 3,342,185,846.35
  5. Step 5: Solve for x
    x = 3,342,185,846.35/61,359.54
  6. Step 6: Final answer
    x = 54,468.89

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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.