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Finding the Fourth Proportional to 29,259.78, 43,896.87 and 8,483.28

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Solution

The fourth proportional to 29,259.78, 43,896.87 and 8,483.28 is: 12,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.78 : 43,896.87 = 8,483.28 : x
  2. Step 2: Convert to fraction form
    29,259.78/43,896.87 = 8,483.28/x
  3. Step 3: Cross multiply
    29,259.78x = 43,896.87 × 8,483.28
  4. Step 4: Simplify right side
    29,259.78x = 372,389,439.33
  5. Step 5: Solve for x
    x = 372,389,439.33/29,259.78
  6. Step 6: Final answer
    x = 12,727.01

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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.