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Finding the Fourth Proportional to 7,999.50, 12,000.24 and 2,735.04

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Solution

The fourth proportional to 7,999.50, 12,000.24 and 2,735.04 is: 4,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.50 : 12,000.24 = 2,735.04 : x
  2. Step 2: Convert to fraction form
    7,999.50/12,000.24 = 2,735.04/x
  3. Step 3: Cross multiply
    7,999.50x = 12,000.24 × 2,735.04
  4. Step 4: Simplify right side
    7,999.50x = 32,821,136.41
  5. Step 5: Solve for x
    x = 32,821,136.41/7,999.50
  6. Step 6: Final answer
    x = 4,102.90

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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.