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Finding the Fourth Proportional to 8,374.82, 11,556.86 and 5,019.48

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Solution

The fourth proportional to 8,374.82, 11,556.86 and 5,019.48 is: 6,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.82 : 11,556.86 = 5,019.48 : x
  2. Step 2: Convert to fraction form
    8,374.82/11,556.86 = 5,019.48/x
  3. Step 3: Cross multiply
    8,374.82x = 11,556.86 × 5,019.48
  4. Step 4: Simplify right side
    8,374.82x = 58,009,402.54
  5. Step 5: Solve for x
    x = 58,009,402.54/8,374.82
  6. Step 6: Final answer
    x = 6,926.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.