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Finding the Fourth Proportional to 7,365.12, 11,040.99 and 3,668.48

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Solution

The fourth proportional to 7,365.12, 11,040.99 and 3,668.48 is: 5,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.12 : 11,040.99 = 3,668.48 : x
  2. Step 2: Convert to fraction form
    7,365.12/11,040.99 = 3,668.48/x
  3. Step 3: Cross multiply
    7,365.12x = 11,040.99 × 3,668.48
  4. Step 4: Simplify right side
    7,365.12x = 40,503,651.00
  5. Step 5: Solve for x
    x = 40,503,651.00/7,365.12
  6. Step 6: Final answer
    x = 5,499.39

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1.5x scale

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.