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Finding the Fourth Proportional to 56,654.90, 84,984.27 and 17,211.89

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Solution

The fourth proportional to 56,654.90, 84,984.27 and 17,211.89 is: 25,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,654.90 : 84,984.27 = 17,211.89 : x
  2. Step 2: Convert to fraction form
    56,654.90/84,984.27 = 17,211.89/x
  3. Step 3: Cross multiply
    56,654.90x = 84,984.27 × 17,211.89
  4. Step 4: Simplify right side
    56,654.90x = 1,462,739,906.97
  5. Step 5: Solve for x
    x = 1,462,739,906.97/56,654.90
  6. Step 6: Final answer
    x = 25,818.42

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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.