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Finding the Fourth Proportional to 3,483.52, 5,220.73 and 3,019.39

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Solution

The fourth proportional to 3,483.52, 5,220.73 and 3,019.39 is: 4,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.52 : 5,220.73 = 3,019.39 : x
  2. Step 2: Convert to fraction form
    3,483.52/5,220.73 = 3,019.39/x
  3. Step 3: Cross multiply
    3,483.52x = 5,220.73 × 3,019.39
  4. Step 4: Simplify right side
    3,483.52x = 15,763,431.55
  5. Step 5: Solve for x
    x = 15,763,431.55/3,483.52
  6. Step 6: Final answer
    x = 4,525.14

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1.5x scale

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.