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Finding the Fourth Proportional to 17,617.83, 26,410.02 and 6,516.97

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Solution

The fourth proportional to 17,617.83, 26,410.02 and 6,516.97 is: 9,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.83 : 26,410.02 = 6,516.97 : x
  2. Step 2: Convert to fraction form
    17,617.83/26,410.02 = 6,516.97/x
  3. Step 3: Cross multiply
    17,617.83x = 26,410.02 × 6,516.97
  4. Step 4: Simplify right side
    17,617.83x = 172,113,308.04
  5. Step 5: Solve for x
    x = 172,113,308.04/17,617.83
  6. Step 6: Final answer
    x = 9,769.27

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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.