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Finding the Fourth Proportional to 5,495.63, 8,241.42 and 3,851.33

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Solution

The fourth proportional to 5,495.63, 8,241.42 and 3,851.33 is: 5,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.63 : 8,241.42 = 3,851.33 : x
  2. Step 2: Convert to fraction form
    5,495.63/8,241.42 = 3,851.33/x
  3. Step 3: Cross multiply
    5,495.63x = 8,241.42 × 3,851.33
  4. Step 4: Simplify right side
    5,495.63x = 31,740,428.09
  5. Step 5: Solve for x
    x = 31,740,428.09/5,495.63
  6. Step 6: Final answer
    x = 5,775.58

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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.