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Finding the Fourth Proportional to 5,999.40, 8,999.10 and 5,634.60

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Solution

The fourth proportional to 5,999.40, 8,999.10 and 5,634.60 is: 8,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.40 : 8,999.10 = 5,634.60 : x
  2. Step 2: Convert to fraction form
    5,999.40/8,999.10 = 5,634.60/x
  3. Step 3: Cross multiply
    5,999.40x = 8,999.10 × 5,634.60
  4. Step 4: Simplify right side
    5,999.40x = 50,706,328.86
  5. Step 5: Solve for x
    x = 50,706,328.86/5,999.40
  6. Step 6: Final answer
    x = 8,451.90

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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.