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Finding the Fourth Proportional to 16,984.89, 25,493.54 and 10,423.89

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Solution

The fourth proportional to 16,984.89, 25,493.54 and 10,423.89 is: 15,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.89 : 25,493.54 = 10,423.89 : x
  2. Step 2: Convert to fraction form
    16,984.89/25,493.54 = 10,423.89/x
  3. Step 3: Cross multiply
    16,984.89x = 25,493.54 × 10,423.89
  4. Step 4: Simplify right side
    16,984.89x = 265,741,804.55
  5. Step 5: Solve for x
    x = 265,741,804.55/16,984.89
  6. Step 6: Final answer
    x = 15,645.78

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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.