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Finding the Fourth Proportional to 34,918.74, 52,383.03 and 11,218.34

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Solution

The fourth proportional to 34,918.74, 52,383.03 and 11,218.34 is: 16,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.74 : 52,383.03 = 11,218.34 : x
  2. Step 2: Convert to fraction form
    34,918.74/52,383.03 = 11,218.34/x
  3. Step 3: Cross multiply
    34,918.74x = 52,383.03 × 11,218.34
  4. Step 4: Simplify right side
    34,918.74x = 587,650,640.77
  5. Step 5: Solve for x
    x = 587,650,640.77/34,918.74
  6. Step 6: Final answer
    x = 16,829.09

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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.