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Finding the Fourth Proportional to 64,463.94, 96,629.39 and 27,045.74

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Solution

The fourth proportional to 64,463.94, 96,629.39 and 27,045.74 is: 40,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.94 : 96,629.39 = 27,045.74 : x
  2. Step 2: Convert to fraction form
    64,463.94/96,629.39 = 27,045.74/x
  3. Step 3: Cross multiply
    64,463.94x = 96,629.39 × 27,045.74
  4. Step 4: Simplify right side
    64,463.94x = 2,613,413,358.30
  5. Step 5: Solve for x
    x = 2,613,413,358.30/64,463.94
  6. Step 6: Final answer
    x = 40,540.70

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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.