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Finding the Fourth Proportional to 11,797.79, 17,693.16 and 3,477.62

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Solution

The fourth proportional to 11,797.79, 17,693.16 and 3,477.62 is: 5,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.79 : 17,693.16 = 3,477.62 : x
  2. Step 2: Convert to fraction form
    11,797.79/17,693.16 = 3,477.62/x
  3. Step 3: Cross multiply
    11,797.79x = 17,693.16 × 3,477.62
  4. Step 4: Simplify right side
    11,797.79x = 61,529,998.61
  5. Step 5: Solve for x
    x = 61,529,998.61/11,797.79
  6. Step 6: Final answer
    x = 5,215.39

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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.