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Finding the Fourth Proportional to 49,959.79, 74,954.70 and 14,899.41

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Solution

The fourth proportional to 49,959.79, 74,954.70 and 14,899.41 is: 22,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.79 : 74,954.70 = 14,899.41 : x
  2. Step 2: Convert to fraction form
    49,959.79/74,954.70 = 14,899.41/x
  3. Step 3: Cross multiply
    49,959.79x = 74,954.70 × 14,899.41
  4. Step 4: Simplify right side
    49,959.79x = 1,116,780,806.73
  5. Step 5: Solve for x
    x = 1,116,780,806.73/49,959.79
  6. Step 6: Final answer
    x = 22,353.59

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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.