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Finding the Fourth Proportional to 24,457.40, 36,661.80 and 11,286.80

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Solution

The fourth proportional to 24,457.40, 36,661.80 and 11,286.80 is: 16,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,457.40 : 36,661.80 = 11,286.80 : x
  2. Step 2: Convert to fraction form
    24,457.40/36,661.80 = 11,286.80/x
  3. Step 3: Cross multiply
    24,457.40x = 36,661.80 × 11,286.80
  4. Step 4: Simplify right side
    24,457.40x = 413,794,404.24
  5. Step 5: Solve for x
    x = 413,794,404.24/24,457.40
  6. Step 6: Final answer
    x = 16,918.99

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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.