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Finding the Fourth Proportional to 35,338.96, 52,975.48 and 11,949.12

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Solution

The fourth proportional to 35,338.96, 52,975.48 and 11,949.12 is: 17,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.96 : 52,975.48 = 11,949.12 : x
  2. Step 2: Convert to fraction form
    35,338.96/52,975.48 = 11,949.12/x
  3. Step 3: Cross multiply
    35,338.96x = 52,975.48 × 11,949.12
  4. Step 4: Simplify right side
    35,338.96x = 633,010,367.58
  5. Step 5: Solve for x
    x = 633,010,367.58/35,338.96
  6. Step 6: Final answer
    x = 17,912.54

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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.