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Finding the Fourth Proportional to 39,950.40, 59,860.80 and 25,132.80

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Solution

The fourth proportional to 39,950.40, 59,860.80 and 25,132.80 is: 37,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.40 : 59,860.80 = 25,132.80 : x
  2. Step 2: Convert to fraction form
    39,950.40/59,860.80 = 25,132.80/x
  3. Step 3: Cross multiply
    39,950.40x = 59,860.80 × 25,132.80
  4. Step 4: Simplify right side
    39,950.40x = 1,504,469,514.24
  5. Step 5: Solve for x
    x = 1,504,469,514.24/39,950.40
  6. Step 6: Final answer
    x = 37,658.43

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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.