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Finding the Fourth Proportional to 8,246.60, 12,369.90 and 4,736.60

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Solution

The fourth proportional to 8,246.60, 12,369.90 and 4,736.60 is: 7,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.60 : 12,369.90 = 4,736.60 : x
  2. Step 2: Convert to fraction form
    8,246.60/12,369.90 = 4,736.60/x
  3. Step 3: Cross multiply
    8,246.60x = 12,369.90 × 4,736.60
  4. Step 4: Simplify right side
    8,246.60x = 58,591,268.34
  5. Step 5: Solve for x
    x = 58,591,268.34/8,246.60
  6. Step 6: Final answer
    x = 7,104.90

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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.