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Finding the Fourth Proportional to 6,203.60, 9,305.40 and 5,474.60

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Solution

The fourth proportional to 6,203.60, 9,305.40 and 5,474.60 is: 8,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.60 : 9,305.40 = 5,474.60 : x
  2. Step 2: Convert to fraction form
    6,203.60/9,305.40 = 5,474.60/x
  3. Step 3: Cross multiply
    6,203.60x = 9,305.40 × 5,474.60
  4. Step 4: Simplify right side
    6,203.60x = 50,943,342.84
  5. Step 5: Solve for x
    x = 50,943,342.84/6,203.60
  6. Step 6: Final answer
    x = 8,211.90

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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.