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Finding the Fourth Proportional to 30,040, 41,455.22 and 16,792

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Solution

The fourth proportional to 30,040, 41,455.22 and 16,792 is: 23,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040 : 41,455.22 = 16,792 : x
  2. Step 2: Convert to fraction form
    30,040/41,455.22 = 16,792/x
  3. Step 3: Cross multiply
    30,040x = 41,455.22 × 16,792
  4. Step 4: Simplify right side
    30,040x = 696,116,054.24
  5. Step 5: Solve for x
    x = 696,116,054.24/30,040
  6. Step 6: Final answer
    x = 23,172.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.