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Finding the Fourth Proportional to 5,556.22, 8,274.63 and 5,316.33

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Solution

The fourth proportional to 5,556.22, 8,274.63 and 5,316.33 is: 7,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.22 : 8,274.63 = 5,316.33 : x
  2. Step 2: Convert to fraction form
    5,556.22/8,274.63 = 5,316.33/x
  3. Step 3: Cross multiply
    5,556.22x = 8,274.63 × 5,316.33
  4. Step 4: Simplify right side
    5,556.22x = 43,990,663.71
  5. Step 5: Solve for x
    x = 43,990,663.71/5,556.22
  6. Step 6: Final answer
    x = 7,917.37

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.