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Finding the Fourth Proportional to 64,993.73, 89,679.62 and 37,771.04

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Solution

The fourth proportional to 64,993.73, 89,679.62 and 37,771.04 is: 52,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,993.73 : 89,679.62 = 37,771.04 : x
  2. Step 2: Convert to fraction form
    64,993.73/89,679.62 = 37,771.04/x
  3. Step 3: Cross multiply
    64,993.73x = 89,679.62 × 37,771.04
  4. Step 4: Simplify right side
    64,993.73x = 3,387,292,325.35
  5. Step 5: Solve for x
    x = 3,387,292,325.35/64,993.73
  6. Step 6: Final answer
    x = 52,117.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.