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Finding the Fourth Proportional to 29,323.63, 43,978.70 and 17,480.75

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Solution

The fourth proportional to 29,323.63, 43,978.70 and 17,480.75 is: 26,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.63 : 43,978.70 = 17,480.75 : x
  2. Step 2: Convert to fraction form
    29,323.63/43,978.70 = 17,480.75/x
  3. Step 3: Cross multiply
    29,323.63x = 43,978.70 × 17,480.75
  4. Step 4: Simplify right side
    29,323.63x = 768,780,500.74
  5. Step 5: Solve for x
    x = 768,780,500.74/29,323.63
  6. Step 6: Final answer
    x = 26,217.10

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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.