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Finding the Fourth Proportional to 69,992.09, 104,988.53 and 17,401.58

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Solution

The fourth proportional to 69,992.09, 104,988.53 and 17,401.58 is: 26,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.09 : 104,988.53 = 17,401.58 : x
  2. Step 2: Convert to fraction form
    69,992.09/104,988.53 = 17,401.58/x
  3. Step 3: Cross multiply
    69,992.09x = 104,988.53 × 17,401.58
  4. Step 4: Simplify right side
    69,992.09x = 1,826,965,691.93
  5. Step 5: Solve for x
    x = 1,826,965,691.93/69,992.09
  6. Step 6: Final answer
    x = 26,102.46

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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.