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Finding the Fourth Proportional to 7,369.81, 11,047.76 and 3,668.54

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Solution

The fourth proportional to 7,369.81, 11,047.76 and 3,668.54 is: 5,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.81 : 11,047.76 = 3,668.54 : x
  2. Step 2: Convert to fraction form
    7,369.81/11,047.76 = 3,668.54/x
  3. Step 3: Cross multiply
    7,369.81x = 11,047.76 × 3,668.54
  4. Step 4: Simplify right side
    7,369.81x = 40,529,149.47
  5. Step 5: Solve for x
    x = 40,529,149.47/7,369.81
  6. Step 6: Final answer
    x = 5,499.35

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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.