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Finding the Fourth Proportional to 5,004.78, 6,903.19 and 3,489.67

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Solution

The fourth proportional to 5,004.78, 6,903.19 and 3,489.67 is: 4,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.78 : 6,903.19 = 3,489.67 : x
  2. Step 2: Convert to fraction form
    5,004.78/6,903.19 = 3,489.67/x
  3. Step 3: Cross multiply
    5,004.78x = 6,903.19 × 3,489.67
  4. Step 4: Simplify right side
    5,004.78x = 24,089,855.05
  5. Step 5: Solve for x
    x = 24,089,855.05/5,004.78
  6. Step 6: Final answer
    x = 4,813.37

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1.5x scale

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.