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Finding the Fourth Proportional to 43,961.78, 65,945.70 and 17,666.54

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Solution

The fourth proportional to 43,961.78, 65,945.70 and 17,666.54 is: 26,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,961.78 : 65,945.70 = 17,666.54 : x
  2. Step 2: Convert to fraction form
    43,961.78/65,945.70 = 17,666.54/x
  3. Step 3: Cross multiply
    43,961.78x = 65,945.70 × 17,666.54
  4. Step 4: Simplify right side
    43,961.78x = 1,165,032,346.88
  5. Step 5: Solve for x
    x = 1,165,032,346.88/43,961.78
  6. Step 6: Final answer
    x = 26,501.03

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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.