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Finding the Fourth Proportional to 32,410.69, 48,616.03 and 7,786.69

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Solution

The fourth proportional to 32,410.69, 48,616.03 and 7,786.69 is: 11,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,410.69 : 48,616.03 = 7,786.69 : x
  2. Step 2: Convert to fraction form
    32,410.69/48,616.03 = 7,786.69/x
  3. Step 3: Cross multiply
    32,410.69x = 48,616.03 × 7,786.69
  4. Step 4: Simplify right side
    32,410.69x = 378,557,842.83
  5. Step 5: Solve for x
    x = 378,557,842.83/32,410.69
  6. Step 6: Final answer
    x = 11,680.03

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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.