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Finding the Fourth Proportional to 26,163, 39,244.51 and 7,695

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Solution

The fourth proportional to 26,163, 39,244.51 and 7,695 is: 11,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163 : 39,244.51 = 7,695 : x
  2. Step 2: Convert to fraction form
    26,163/39,244.51 = 7,695/x
  3. Step 3: Cross multiply
    26,163x = 39,244.51 × 7,695
  4. Step 4: Simplify right side
    26,163x = 301,986,504.45
  5. Step 5: Solve for x
    x = 301,986,504.45/26,163
  6. Step 6: Final answer
    x = 11,542.50

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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.