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Finding the Fourth Proportional to 5,483.62, 8,212.37 and 3,503.11

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Solution

The fourth proportional to 5,483.62, 8,212.37 and 3,503.11 is: 5,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.62 : 8,212.37 = 3,503.11 : x
  2. Step 2: Convert to fraction form
    5,483.62/8,212.37 = 3,503.11/x
  3. Step 3: Cross multiply
    5,483.62x = 8,212.37 × 3,503.11
  4. Step 4: Simplify right side
    5,483.62x = 28,768,835.47
  5. Step 5: Solve for x
    x = 28,768,835.47/5,483.62
  6. Step 6: Final answer
    x = 5,246.32

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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.