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Finding the Fourth Proportional to 7,996.85, 11,999.32 and 5,394.32

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Solution

The fourth proportional to 7,996.85, 11,999.32 and 5,394.32 is: 8,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.85 : 11,999.32 = 5,394.32 : x
  2. Step 2: Convert to fraction form
    7,996.85/11,999.32 = 5,394.32/x
  3. Step 3: Cross multiply
    7,996.85x = 11,999.32 × 5,394.32
  4. Step 4: Simplify right side
    7,996.85x = 64,728,084.89
  5. Step 5: Solve for x
    x = 64,728,084.89/7,996.85
  6. Step 6: Final answer
    x = 8,094.20

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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.