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Finding the Fourth Proportional to 16,461.36, 24,661.08 and 8,131.68

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Solution

The fourth proportional to 16,461.36, 24,661.08 and 8,131.68 is: 12,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.36 : 24,661.08 = 8,131.68 : x
  2. Step 2: Convert to fraction form
    16,461.36/24,661.08 = 8,131.68/x
  3. Step 3: Cross multiply
    16,461.36x = 24,661.08 × 8,131.68
  4. Step 4: Simplify right side
    16,461.36x = 200,536,011.01
  5. Step 5: Solve for x
    x = 200,536,011.01/16,461.36
  6. Step 6: Final answer
    x = 12,182.23

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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.