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Finding the Fourth Proportional to 18,037.66, 24,882.88 and 12,069.58

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Solution

The fourth proportional to 18,037.66, 24,882.88 and 12,069.58 is: 16,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.66 : 24,882.88 = 12,069.58 : x
  2. Step 2: Convert to fraction form
    18,037.66/24,882.88 = 12,069.58/x
  3. Step 3: Cross multiply
    18,037.66x = 24,882.88 × 12,069.58
  4. Step 4: Simplify right side
    18,037.66x = 300,325,910.79
  5. Step 5: Solve for x
    x = 300,325,910.79/18,037.66
  6. Step 6: Final answer
    x = 16,649.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.