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Finding the Fourth Proportional to 64,676.07, 96,951.09 and 30,933.30

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Solution

The fourth proportional to 64,676.07, 96,951.09 and 30,933.30 is: 46,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.07 : 96,951.09 = 30,933.30 : x
  2. Step 2: Convert to fraction form
    64,676.07/96,951.09 = 30,933.30/x
  3. Step 3: Cross multiply
    64,676.07x = 96,951.09 × 30,933.30
  4. Step 4: Simplify right side
    64,676.07x = 2,999,017,152.30
  5. Step 5: Solve for x
    x = 2,999,017,152.30/64,676.07
  6. Step 6: Final answer
    x = 46,369.81

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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.