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Finding the Fourth Proportional to 16,769.22, 25,121.02 and 12,854.49

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Solution

The fourth proportional to 16,769.22, 25,121.02 and 12,854.49 is: 19,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.22 : 25,121.02 = 12,854.49 : x
  2. Step 2: Convert to fraction form
    16,769.22/25,121.02 = 12,854.49/x
  3. Step 3: Cross multiply
    16,769.22x = 25,121.02 × 12,854.49
  4. Step 4: Simplify right side
    16,769.22x = 322,917,900.38
  5. Step 5: Solve for x
    x = 322,917,900.38/16,769.22
  6. Step 6: Final answer
    x = 19,256.58

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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.