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Finding the Fourth Proportional to 17,736.60, 26,604.90 and 16,872.60

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Solution

The fourth proportional to 17,736.60, 26,604.90 and 16,872.60 is: 25,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.60 : 26,604.90 = 16,872.60 : x
  2. Step 2: Convert to fraction form
    17,736.60/26,604.90 = 16,872.60/x
  3. Step 3: Cross multiply
    17,736.60x = 26,604.90 × 16,872.60
  4. Step 4: Simplify right side
    17,736.60x = 448,893,835.74
  5. Step 5: Solve for x
    x = 448,893,835.74/17,736.60
  6. Step 6: Final answer
    x = 25,308.90

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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.