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Finding the Fourth Proportional to 5,483.80, 8,233.80 and 3,847.60

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Solution

The fourth proportional to 5,483.80, 8,233.80 and 3,847.60 is: 5,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.80 : 8,233.80 = 3,847.60 : x
  2. Step 2: Convert to fraction form
    5,483.80/8,233.80 = 3,847.60/x
  3. Step 3: Cross multiply
    5,483.80x = 8,233.80 × 3,847.60
  4. Step 4: Simplify right side
    5,483.80x = 31,680,368.88
  5. Step 5: Solve for x
    x = 31,680,368.88/5,483.80
  6. Step 6: Final answer
    x = 5,777.08

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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.