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Finding the Fourth Proportional to 2,636.88, 3,632.76 and 2,194.08

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Solution

The fourth proportional to 2,636.88, 3,632.76 and 2,194.08 is: 3,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.88 : 3,632.76 = 2,194.08 : x
  2. Step 2: Convert to fraction form
    2,636.88/3,632.76 = 2,194.08/x
  3. Step 3: Cross multiply
    2,636.88x = 3,632.76 × 2,194.08
  4. Step 4: Simplify right side
    2,636.88x = 7,970,566.06
  5. Step 5: Solve for x
    x = 7,970,566.06/2,636.88
  6. Step 6: Final answer
    x = 3,022.73

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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.