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Finding the Fourth Proportional to 11,695.01, 17,542.67 and 3,903.82

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Solution

The fourth proportional to 11,695.01, 17,542.67 and 3,903.82 is: 5,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.01 : 17,542.67 = 3,903.82 : x
  2. Step 2: Convert to fraction form
    11,695.01/17,542.67 = 3,903.82/x
  3. Step 3: Cross multiply
    11,695.01x = 17,542.67 × 3,903.82
  4. Step 4: Simplify right side
    11,695.01x = 68,483,426.00
  5. Step 5: Solve for x
    x = 68,483,426.00/11,695.01
  6. Step 6: Final answer
    x = 5,855.78

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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.