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Finding the Fourth Proportional to 2,635.88, 3,636.16 and 2,448.25

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Solution

The fourth proportional to 2,635.88, 3,636.16 and 2,448.25 is: 3,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.88 : 3,636.16 = 2,448.25 : x
  2. Step 2: Convert to fraction form
    2,635.88/3,636.16 = 2,448.25/x
  3. Step 3: Cross multiply
    2,635.88x = 3,636.16 × 2,448.25
  4. Step 4: Simplify right side
    2,635.88x = 8,902,213.51
  5. Step 5: Solve for x
    x = 8,902,213.51/2,635.88
  6. Step 6: Final answer
    x = 3,377.33

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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.