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Finding the Fourth Proportional to 45,969.94, 68,959.10 and 17,892.10

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Solution

The fourth proportional to 45,969.94, 68,959.10 and 17,892.10 is: 26,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.94 : 68,959.10 = 17,892.10 : x
  2. Step 2: Convert to fraction form
    45,969.94/68,959.10 = 17,892.10/x
  3. Step 3: Cross multiply
    45,969.94x = 68,959.10 × 17,892.10
  4. Step 4: Simplify right side
    45,969.94x = 1,233,823,113.11
  5. Step 5: Solve for x
    x = 1,233,823,113.11/45,969.94
  6. Step 6: Final answer
    x = 26,839.78

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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.