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Finding the Fourth Proportional to 6,551.54, 9,040.11 and 3,756.50

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Solution

The fourth proportional to 6,551.54, 9,040.11 and 3,756.50 is: 5,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.54 : 9,040.11 = 3,756.50 : x
  2. Step 2: Convert to fraction form
    6,551.54/9,040.11 = 3,756.50/x
  3. Step 3: Cross multiply
    6,551.54x = 9,040.11 × 3,756.50
  4. Step 4: Simplify right side
    6,551.54x = 33,959,173.22
  5. Step 5: Solve for x
    x = 33,959,173.22/6,551.54
  6. Step 6: Final answer
    x = 5,183.39

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Why These Related Problems?

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