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Finding the Fourth Proportional to 64,469.94, 96,638.38 and 27,051.74

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Solution

The fourth proportional to 64,469.94, 96,638.38 and 27,051.74 is: 40,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.94 : 96,638.38 = 27,051.74 : x
  2. Step 2: Convert to fraction form
    64,469.94/96,638.38 = 27,051.74/x
  3. Step 3: Cross multiply
    64,469.94x = 96,638.38 × 27,051.74
  4. Step 4: Simplify right side
    64,469.94x = 2,614,236,329.78
  5. Step 5: Solve for x
    x = 2,614,236,329.78/64,469.94
  6. Step 6: Final answer
    x = 40,549.69

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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.