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Finding the Fourth Proportional to 16,819.66, 23,043.04 and 16,189.07

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Solution

The fourth proportional to 16,819.66, 23,043.04 and 16,189.07 is: 22,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.66 : 23,043.04 = 16,189.07 : x
  2. Step 2: Convert to fraction form
    16,819.66/23,043.04 = 16,189.07/x
  3. Step 3: Cross multiply
    16,819.66x = 23,043.04 × 16,189.07
  4. Step 4: Simplify right side
    16,819.66x = 373,045,387.57
  5. Step 5: Solve for x
    x = 373,045,387.57/16,819.66
  6. Step 6: Final answer
    x = 22,179.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.