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Finding the Fourth Proportional to 5,940.40, 8,894.40 and 4,633.60

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Solution

The fourth proportional to 5,940.40, 8,894.40 and 4,633.60 is: 6,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.40 : 8,894.40 = 4,633.60 : x
  2. Step 2: Convert to fraction form
    5,940.40/8,894.40 = 4,633.60/x
  3. Step 3: Cross multiply
    5,940.40x = 8,894.40 × 4,633.60
  4. Step 4: Simplify right side
    5,940.40x = 41,213,091.84
  5. Step 5: Solve for x
    x = 41,213,091.84/5,940.40
  6. Step 6: Final answer
    x = 6,937.76

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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.