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Finding the Fourth Proportional to 8,999.72, 13,497.94 and 2,758.24

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Solution

The fourth proportional to 8,999.72, 13,497.94 and 2,758.24 is: 4,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.72 : 13,497.94 = 2,758.24 : x
  2. Step 2: Convert to fraction form
    8,999.72/13,497.94 = 2,758.24/x
  3. Step 3: Cross multiply
    8,999.72x = 13,497.94 × 2,758.24
  4. Step 4: Simplify right side
    8,999.72x = 37,230,558.03
  5. Step 5: Solve for x
    x = 37,230,558.03/8,999.72
  6. Step 6: Final answer
    x = 4,136.86

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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.