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Finding the Fourth Proportional to 19,255.50, 28,883.37 and 6,943.50

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Solution

The fourth proportional to 19,255.50, 28,883.37 and 6,943.50 is: 10,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.50 : 28,883.37 = 6,943.50 : x
  2. Step 2: Convert to fraction form
    19,255.50/28,883.37 = 6,943.50/x
  3. Step 3: Cross multiply
    19,255.50x = 28,883.37 × 6,943.50
  4. Step 4: Simplify right side
    19,255.50x = 200,551,679.60
  5. Step 5: Solve for x
    x = 200,551,679.60/19,255.50
  6. Step 6: Final answer
    x = 10,415.29

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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.