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Finding the Fourth Proportional to 29,323.47, 43,978.44 and 17,480.56

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Solution

The fourth proportional to 29,323.47, 43,978.44 and 17,480.56 is: 26,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.47 : 43,978.44 = 17,480.56 : x
  2. Step 2: Convert to fraction form
    29,323.47/43,978.44 = 17,480.56/x
  3. Step 3: Cross multiply
    29,323.47x = 43,978.44 × 17,480.56
  4. Step 4: Simplify right side
    29,323.47x = 768,767,797.19
  5. Step 5: Solve for x
    x = 768,767,797.19/29,323.47
  6. Step 6: Final answer
    x = 26,216.81

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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.