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Finding the Fourth Proportional to 64,704.79, 96,876.96 and 33,046.30

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Solution

The fourth proportional to 64,704.79, 96,876.96 and 33,046.30 is: 49,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.79 : 96,876.96 = 33,046.30 : x
  2. Step 2: Convert to fraction form
    64,704.79/96,876.96 = 33,046.30/x
  3. Step 3: Cross multiply
    64,704.79x = 96,876.96 × 33,046.30
  4. Step 4: Simplify right side
    64,704.79x = 3,201,425,083.25
  5. Step 5: Solve for x
    x = 3,201,425,083.25/64,704.79
  6. Step 6: Final answer
    x = 49,477.40

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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.