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Finding the Fourth Proportional to 16,998.69, 25,494.19 and 6,464.97

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Solution

The fourth proportional to 16,998.69, 25,494.19 and 6,464.97 is: 9,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.69 : 25,494.19 = 6,464.97 : x
  2. Step 2: Convert to fraction form
    16,998.69/25,494.19 = 6,464.97/x
  3. Step 3: Cross multiply
    16,998.69x = 25,494.19 × 6,464.97
  4. Step 4: Simplify right side
    16,998.69x = 164,819,157.36
  5. Step 5: Solve for x
    x = 164,819,157.36/16,998.69
  6. Step 6: Final answer
    x = 9,695.99

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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.