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Finding the Fourth Proportional to 6,365.55, 9,535.55 and 3,245.43

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Solution

The fourth proportional to 6,365.55, 9,535.55 and 3,245.43 is: 4,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.55 : 9,535.55 = 3,245.43 : x
  2. Step 2: Convert to fraction form
    6,365.55/9,535.55 = 3,245.43/x
  3. Step 3: Cross multiply
    6,365.55x = 9,535.55 × 3,245.43
  4. Step 4: Simplify right side
    6,365.55x = 30,946,943.81
  5. Step 5: Solve for x
    x = 30,946,943.81/6,365.55
  6. Step 6: Final answer
    x = 4,861.63

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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.