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Finding the Fourth Proportional to 8,996.60, 13,469.22 and 7,150.34

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Solution

The fourth proportional to 8,996.60, 13,469.22 and 7,150.34 is: 10,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.60 : 13,469.22 = 7,150.34 : x
  2. Step 2: Convert to fraction form
    8,996.60/13,469.22 = 7,150.34/x
  3. Step 3: Cross multiply
    8,996.60x = 13,469.22 × 7,150.34
  4. Step 4: Simplify right side
    8,996.60x = 96,309,502.53
  5. Step 5: Solve for x
    x = 96,309,502.53/8,996.60
  6. Step 6: Final answer
    x = 10,705.10

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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.