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Finding the Fourth Proportional to 64,951.44, 97,458.12 and 44,991.69

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Solution

The fourth proportional to 64,951.44, 97,458.12 and 44,991.69 is: 67,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,951.44 : 97,458.12 = 44,991.69 : x
  2. Step 2: Convert to fraction form
    64,951.44/97,458.12 = 44,991.69/x
  3. Step 3: Cross multiply
    64,951.44x = 97,458.12 × 44,991.69
  4. Step 4: Simplify right side
    64,951.44x = 4,384,805,523.02
  5. Step 5: Solve for x
    x = 4,384,805,523.02/64,951.44
  6. Step 6: Final answer
    x = 67,508.98

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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.