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Finding the Fourth Proportional to 11,807.83, 17,710.66 and 3,599.83

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Solution

The fourth proportional to 11,807.83, 17,710.66 and 3,599.83 is: 5,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.83 : 17,710.66 = 3,599.83 : x
  2. Step 2: Convert to fraction form
    11,807.83/17,710.66 = 3,599.83/x
  3. Step 3: Cross multiply
    11,807.83x = 17,710.66 × 3,599.83
  4. Step 4: Simplify right side
    11,807.83x = 63,755,365.19
  5. Step 5: Solve for x
    x = 63,755,365.19/11,807.83
  6. Step 6: Final answer
    x = 5,399.41

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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.