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Finding the Fourth Proportional to 17,502.72, 26,247.24 and 7,646.64

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Solution

The fourth proportional to 17,502.72, 26,247.24 and 7,646.64 is: 11,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,502.72 : 26,247.24 = 7,646.64 : x
  2. Step 2: Convert to fraction form
    17,502.72/26,247.24 = 7,646.64/x
  3. Step 3: Cross multiply
    17,502.72x = 26,247.24 × 7,646.64
  4. Step 4: Simplify right side
    17,502.72x = 200,703,195.27
  5. Step 5: Solve for x
    x = 200,703,195.27/17,502.72
  6. Step 6: Final answer
    x = 11,466.97

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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.