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Finding the Fourth Proportional to 24,986.80, 37,480.20 and 19,457.20

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Solution

The fourth proportional to 24,986.80, 37,480.20 and 19,457.20 is: 29,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,986.80 : 37,480.20 = 19,457.20 : x
  2. Step 2: Convert to fraction form
    24,986.80/37,480.20 = 19,457.20/x
  3. Step 3: Cross multiply
    24,986.80x = 37,480.20 × 19,457.20
  4. Step 4: Simplify right side
    24,986.80x = 729,259,747.44
  5. Step 5: Solve for x
    x = 729,259,747.44/24,986.80
  6. Step 6: Final answer
    x = 29,185.80

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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.