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Finding the Fourth Proportional to 29,323.69, 43,978.79 and 17,480.81

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Solution

The fourth proportional to 29,323.69, 43,978.79 and 17,480.81 is: 26,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.69 : 43,978.79 = 17,480.81 : x
  2. Step 2: Convert to fraction form
    29,323.69/43,978.79 = 17,480.81/x
  3. Step 3: Cross multiply
    29,323.69x = 43,978.79 × 17,480.81
  4. Step 4: Simplify right side
    29,323.69x = 768,784,915.72
  5. Step 5: Solve for x
    x = 768,784,915.72/29,323.69
  6. Step 6: Final answer
    x = 26,217.19

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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.