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Finding the Fourth Proportional to 61,071.66, 91,498.75 and 37,367.62

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Solution

The fourth proportional to 61,071.66, 91,498.75 and 37,367.62 is: 55,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,071.66 : 91,498.75 = 37,367.62 : x
  2. Step 2: Convert to fraction form
    61,071.66/91,498.75 = 37,367.62/x
  3. Step 3: Cross multiply
    61,071.66x = 91,498.75 × 37,367.62
  4. Step 4: Simplify right side
    61,071.66x = 3,419,090,198.31
  5. Step 5: Solve for x
    x = 3,419,090,198.31/61,071.66
  6. Step 6: Final answer
    x = 55,984.89

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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.