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Finding the Fourth Proportional to 62,999.81, 94,518.16 and 18,627.71

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Solution

The fourth proportional to 62,999.81, 94,518.16 and 18,627.71 is: 27,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,999.81 : 94,518.16 = 18,627.71 : x
  2. Step 2: Convert to fraction form
    62,999.81/94,518.16 = 18,627.71/x
  3. Step 3: Cross multiply
    62,999.81x = 94,518.16 × 18,627.71
  4. Step 4: Simplify right side
    62,999.81x = 1,760,657,063.94
  5. Step 5: Solve for x
    x = 1,760,657,063.94/62,999.81
  6. Step 6: Final answer
    x = 27,947.02

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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.