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Finding the Fourth Proportional to 22,486.60, 33,701.10 and 17,266.60

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Solution

The fourth proportional to 22,486.60, 33,701.10 and 17,266.60 is: 25,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.60 : 33,701.10 = 17,266.60 : x
  2. Step 2: Convert to fraction form
    22,486.60/33,701.10 = 17,266.60/x
  3. Step 3: Cross multiply
    22,486.60x = 33,701.10 × 17,266.60
  4. Step 4: Simplify right side
    22,486.60x = 581,903,413.26
  5. Step 5: Solve for x
    x = 581,903,413.26/22,486.60
  6. Step 6: Final answer
    x = 25,877.79

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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.