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Finding the Fourth Proportional to 17,796.81, 26,693.39 and 4,647.47

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Solution

The fourth proportional to 17,796.81, 26,693.39 and 4,647.47 is: 6,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.81 : 26,693.39 = 4,647.47 : x
  2. Step 2: Convert to fraction form
    17,796.81/26,693.39 = 4,647.47/x
  3. Step 3: Cross multiply
    17,796.81x = 26,693.39 × 4,647.47
  4. Step 4: Simplify right side
    17,796.81x = 124,056,729.22
  5. Step 5: Solve for x
    x = 124,056,729.22/17,796.81
  6. Step 6: Final answer
    x = 6,970.73

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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.