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Finding the Fourth Proportional to 29,323.44, 43,978.42 and 17,480.56

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Solution

The fourth proportional to 29,323.44, 43,978.42 and 17,480.56 is: 26,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.44 : 43,978.42 = 17,480.56 : x
  2. Step 2: Convert to fraction form
    29,323.44/43,978.42 = 17,480.56/x
  3. Step 3: Cross multiply
    29,323.44x = 43,978.42 × 17,480.56
  4. Step 4: Simplify right side
    29,323.44x = 768,767,354.72
  5. Step 5: Solve for x
    x = 768,767,354.72/29,323.44
  6. Step 6: Final answer
    x = 26,216.82

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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.