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Finding the Fourth Proportional to 38,682.80, 58,024.92 and 30,984.56

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Solution

The fourth proportional to 38,682.80, 58,024.92 and 30,984.56 is: 46,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.80 : 58,024.92 = 30,984.56 : x
  2. Step 2: Convert to fraction form
    38,682.80/58,024.92 = 30,984.56/x
  3. Step 3: Cross multiply
    38,682.80x = 58,024.92 × 30,984.56
  4. Step 4: Simplify right side
    38,682.80x = 1,797,876,615.24
  5. Step 5: Solve for x
    x = 1,797,876,615.24/38,682.80
  6. Step 6: Final answer
    x = 46,477.42

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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.