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Finding the Fourth Proportional to 7,999.61, 11,033.51 and 5,874.48

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Solution

The fourth proportional to 7,999.61, 11,033.51 and 5,874.48 is: 8,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.61 : 11,033.51 = 5,874.48 : x
  2. Step 2: Convert to fraction form
    7,999.61/11,033.51 = 5,874.48/x
  3. Step 3: Cross multiply
    7,999.61x = 11,033.51 × 5,874.48
  4. Step 4: Simplify right side
    7,999.61x = 64,816,104.45
  5. Step 5: Solve for x
    x = 64,816,104.45/7,999.61
  6. Step 6: Final answer
    x = 8,102.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.