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Finding the Fourth Proportional to 7,365.62, 11,054.19 and 2,986.16

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Solution

The fourth proportional to 7,365.62, 11,054.19 and 2,986.16 is: 4,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.62 : 11,054.19 = 2,986.16 : x
  2. Step 2: Convert to fraction form
    7,365.62/11,054.19 = 2,986.16/x
  3. Step 3: Cross multiply
    7,365.62x = 11,054.19 × 2,986.16
  4. Step 4: Simplify right side
    7,365.62x = 33,009,524.74
  5. Step 5: Solve for x
    x = 33,009,524.74/7,365.62
  6. Step 6: Final answer
    x = 4,481.57

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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.