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Finding the Fourth Proportional to 49,963.93, 74,908.82 and 30,237.80

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Solution

The fourth proportional to 49,963.93, 74,908.82 and 30,237.80 is: 45,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.93 : 74,908.82 = 30,237.80 : x
  2. Step 2: Convert to fraction form
    49,963.93/74,908.82 = 30,237.80/x
  3. Step 3: Cross multiply
    49,963.93x = 74,908.82 × 30,237.80
  4. Step 4: Simplify right side
    49,963.93x = 2,265,077,618.45
  5. Step 5: Solve for x
    x = 2,265,077,618.45/49,963.93
  6. Step 6: Final answer
    x = 45,334.26

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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.