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Finding the Fourth Proportional to 5,736.69, 8,602.72 and 2,224.85

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Solution

The fourth proportional to 5,736.69, 8,602.72 and 2,224.85 is: 3,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.69 : 8,602.72 = 2,224.85 : x
  2. Step 2: Convert to fraction form
    5,736.69/8,602.72 = 2,224.85/x
  3. Step 3: Cross multiply
    5,736.69x = 8,602.72 × 2,224.85
  4. Step 4: Simplify right side
    5,736.69x = 19,139,707.45
  5. Step 5: Solve for x
    x = 19,139,707.45/5,736.69
  6. Step 6: Final answer
    x = 3,336.37

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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.