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Finding the Fourth Proportional to 40,807.77, 61,175.21 and 19,736.03

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Solution

The fourth proportional to 40,807.77, 61,175.21 and 19,736.03 is: 29,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.77 : 61,175.21 = 19,736.03 : x
  2. Step 2: Convert to fraction form
    40,807.77/61,175.21 = 19,736.03/x
  3. Step 3: Cross multiply
    40,807.77x = 61,175.21 × 19,736.03
  4. Step 4: Simplify right side
    40,807.77x = 1,207,355,375.26
  5. Step 5: Solve for x
    x = 1,207,355,375.26/40,807.77
  6. Step 6: Final answer
    x = 29,586.41

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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.