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Finding the Fourth Proportional to 28,982.41, 43,469.98 and 9,259.33

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Solution

The fourth proportional to 28,982.41, 43,469.98 and 9,259.33 is: 13,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.41 : 43,469.98 = 9,259.33 : x
  2. Step 2: Convert to fraction form
    28,982.41/43,469.98 = 9,259.33/x
  3. Step 3: Cross multiply
    28,982.41x = 43,469.98 × 9,259.33
  4. Step 4: Simplify right side
    28,982.41x = 402,502,889.91
  5. Step 5: Solve for x
    x = 402,502,889.91/28,982.41
  6. Step 6: Final answer
    x = 13,887.83

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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.