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Finding the Fourth Proportional to 64,743.39, 89,344.47 and 36,062.94

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Solution

The fourth proportional to 64,743.39, 89,344.47 and 36,062.94 is: 49,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743.39 : 89,344.47 = 36,062.94 : x
  2. Step 2: Convert to fraction form
    64,743.39/89,344.47 = 36,062.94/x
  3. Step 3: Cross multiply
    64,743.39x = 89,344.47 × 36,062.94
  4. Step 4: Simplify right side
    64,743.39x = 3,222,024,260.94
  5. Step 5: Solve for x
    x = 3,222,024,260.94/64,743.39
  6. Step 6: Final answer
    x = 49,766.07

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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.