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Finding the Fourth Proportional to 5,388.88, 7,436.50 and 3,265.67

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Solution

The fourth proportional to 5,388.88, 7,436.50 and 3,265.67 is: 4,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.88 : 7,436.50 = 3,265.67 : x
  2. Step 2: Convert to fraction form
    5,388.88/7,436.50 = 3,265.67/x
  3. Step 3: Cross multiply
    5,388.88x = 7,436.50 × 3,265.67
  4. Step 4: Simplify right side
    5,388.88x = 24,285,154.96
  5. Step 5: Solve for x
    x = 24,285,154.96/5,388.88
  6. Step 6: Final answer
    x = 4,506.53

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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.