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Finding the Fourth Proportional to 3,559.53, 5,333.53 and 3,424.67

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Solution

The fourth proportional to 3,559.53, 5,333.53 and 3,424.67 is: 5,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.53 : 5,333.53 = 3,424.67 : x
  2. Step 2: Convert to fraction form
    3,559.53/5,333.53 = 3,424.67/x
  3. Step 3: Cross multiply
    3,559.53x = 5,333.53 × 3,424.67
  4. Step 4: Simplify right side
    3,559.53x = 18,265,580.19
  5. Step 5: Solve for x
    x = 18,265,580.19/3,559.53
  6. Step 6: Final answer
    x = 5,131.46

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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.