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Finding the Fourth Proportional to 45,959.62, 68,950.52 and 15,969.49

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Solution

The fourth proportional to 45,959.62, 68,950.52 and 15,969.49 is: 23,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,959.62 : 68,950.52 = 15,969.49 : x
  2. Step 2: Convert to fraction form
    45,959.62/68,950.52 = 15,969.49/x
  3. Step 3: Cross multiply
    45,959.62x = 68,950.52 × 15,969.49
  4. Step 4: Simplify right side
    45,959.62x = 1,101,104,639.63
  5. Step 5: Solve for x
    x = 1,101,104,639.63/45,959.62
  6. Step 6: Final answer
    x = 23,958.09

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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.