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Finding the Fourth Proportional to 4,984.86, 7,474.53 and 2,313.54

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Solution

The fourth proportional to 4,984.86, 7,474.53 and 2,313.54 is: 3,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.86 : 7,474.53 = 2,313.54 : x
  2. Step 2: Convert to fraction form
    4,984.86/7,474.53 = 2,313.54/x
  3. Step 3: Cross multiply
    4,984.86x = 7,474.53 × 2,313.54
  4. Step 4: Simplify right side
    4,984.86x = 17,292,632.81
  5. Step 5: Solve for x
    x = 17,292,632.81/4,984.86
  6. Step 6: Final answer
    x = 3,469.03

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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.