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Finding the Fourth Proportional to 7,326.44, 10,986.60 and 4,548.96

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Solution

The fourth proportional to 7,326.44, 10,986.60 and 4,548.96 is: 6,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.44 : 10,986.60 = 4,548.96 : x
  2. Step 2: Convert to fraction form
    7,326.44/10,986.60 = 4,548.96/x
  3. Step 3: Cross multiply
    7,326.44x = 10,986.60 × 4,548.96
  4. Step 4: Simplify right side
    7,326.44x = 49,977,603.94
  5. Step 5: Solve for x
    x = 49,977,603.94/7,326.44
  6. Step 6: Final answer
    x = 6,821.54

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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.