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Finding the Fourth Proportional to 43,654.59, 65,493.97 and 17,377.78

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Solution

The fourth proportional to 43,654.59, 65,493.97 and 17,377.78 is: 26,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.59 : 65,493.97 = 17,377.78 : x
  2. Step 2: Convert to fraction form
    43,654.59/65,493.97 = 17,377.78/x
  3. Step 3: Cross multiply
    43,654.59x = 65,493.97 × 17,377.78
  4. Step 4: Simplify right side
    43,654.59x = 1,138,139,801.99
  5. Step 5: Solve for x
    x = 1,138,139,801.99/43,654.59
  6. Step 6: Final answer
    x = 26,071.48

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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.