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Finding the Fourth Proportional to 8,996.56, 13,495.92 and 8,505.04

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Solution

The fourth proportional to 8,996.56, 13,495.92 and 8,505.04 is: 12,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.56 : 13,495.92 = 8,505.04 : x
  2. Step 2: Convert to fraction form
    8,996.56/13,495.92 = 8,505.04/x
  3. Step 3: Cross multiply
    8,996.56x = 13,495.92 × 8,505.04
  4. Step 4: Simplify right side
    8,996.56x = 114,783,339.44
  5. Step 5: Solve for x
    x = 114,783,339.44/8,996.56
  6. Step 6: Final answer
    x = 12,758.58

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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.