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Finding the Fourth Proportional to 10,846.60, 16,245.60 and 8,902.60

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Solution

The fourth proportional to 10,846.60, 16,245.60 and 8,902.60 is: 13,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846.60 : 16,245.60 = 8,902.60 : x
  2. Step 2: Convert to fraction form
    10,846.60/16,245.60 = 8,902.60/x
  3. Step 3: Cross multiply
    10,846.60x = 16,245.60 × 8,902.60
  4. Step 4: Simplify right side
    10,846.60x = 144,628,078.56
  5. Step 5: Solve for x
    x = 144,628,078.56/10,846.60
  6. Step 6: Final answer
    x = 13,333.96

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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.