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Finding the Fourth Proportional to 45,630.73, 62,969.73 and 25,487.89

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Solution

The fourth proportional to 45,630.73, 62,969.73 and 25,487.89 is: 35,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,630.73 : 62,969.73 = 25,487.89 : x
  2. Step 2: Convert to fraction form
    45,630.73/62,969.73 = 25,487.89/x
  3. Step 3: Cross multiply
    45,630.73x = 62,969.73 × 25,487.89
  4. Step 4: Simplify right side
    45,630.73x = 1,604,965,551.57
  5. Step 5: Solve for x
    x = 1,604,965,551.57/45,630.73
  6. Step 6: Final answer
    x = 35,172.91

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Why These Related Problems?

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