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Finding the Fourth Proportional to 40,771.44, 61,118.28 and 13,051.44

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Solution

The fourth proportional to 40,771.44, 61,118.28 and 13,051.44 is: 19,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.44 : 61,118.28 = 13,051.44 : x
  2. Step 2: Convert to fraction form
    40,771.44/61,118.28 = 13,051.44/x
  3. Step 3: Cross multiply
    40,771.44x = 61,118.28 × 13,051.44
  4. Step 4: Simplify right side
    40,771.44x = 797,681,564.32
  5. Step 5: Solve for x
    x = 797,681,564.32/40,771.44
  6. Step 6: Final answer
    x = 19,564.71

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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.