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Finding the Fourth Proportional to 5,908.80, 8,847.60 and 4,733.28

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Solution

The fourth proportional to 5,908.80, 8,847.60 and 4,733.28 is: 7,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.80 : 8,847.60 = 4,733.28 : x
  2. Step 2: Convert to fraction form
    5,908.80/8,847.60 = 4,733.28/x
  3. Step 3: Cross multiply
    5,908.80x = 8,847.60 × 4,733.28
  4. Step 4: Simplify right side
    5,908.80x = 41,878,168.13
  5. Step 5: Solve for x
    x = 41,878,168.13/5,908.80
  6. Step 6: Final answer
    x = 7,087.42

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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.