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Finding the Fourth Proportional to 62,403, 93,604.50 and 18,627

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Solution

The fourth proportional to 62,403, 93,604.50 and 18,627 is: 27,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403 : 93,604.50 = 18,627 : x
  2. Step 2: Convert to fraction form
    62,403/93,604.50 = 18,627/x
  3. Step 3: Cross multiply
    62,403x = 93,604.50 × 18,627
  4. Step 4: Simplify right side
    62,403x = 1,743,571,021.50
  5. Step 5: Solve for x
    x = 1,743,571,021.50/62,403
  6. Step 6: Final answer
    x = 27,940.50

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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.