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Finding the Fourth Proportional to 35,370.75, 48,786.66 and 30,028.80

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Solution

The fourth proportional to 35,370.75, 48,786.66 and 30,028.80 is: 41,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.75 : 48,786.66 = 30,028.80 : x
  2. Step 2: Convert to fraction form
    35,370.75/48,786.66 = 30,028.80/x
  3. Step 3: Cross multiply
    35,370.75x = 48,786.66 × 30,028.80
  4. Step 4: Simplify right side
    35,370.75x = 1,465,004,855.81
  5. Step 5: Solve for x
    x = 1,465,004,855.81/35,370.75
  6. Step 6: Final answer
    x = 41,418.54

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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.