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Finding the Fourth Proportional to 3,999.12, 5,984.10 and 2,356.44

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Solution

The fourth proportional to 3,999.12, 5,984.10 and 2,356.44 is: 3,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.12 : 5,984.10 = 2,356.44 : x
  2. Step 2: Convert to fraction form
    3,999.12/5,984.10 = 2,356.44/x
  3. Step 3: Cross multiply
    3,999.12x = 5,984.10 × 2,356.44
  4. Step 4: Simplify right side
    3,999.12x = 14,101,172.60
  5. Step 5: Solve for x
    x = 14,101,172.60/3,999.12
  6. Step 6: Final answer
    x = 3,526.07

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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.