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Finding the Fourth Proportional to 29,690.79, 44,540.29 and 9,974.99

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Solution

The fourth proportional to 29,690.79, 44,540.29 and 9,974.99 is: 14,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.79 : 44,540.29 = 9,974.99 : x
  2. Step 2: Convert to fraction form
    29,690.79/44,540.29 = 9,974.99/x
  3. Step 3: Cross multiply
    29,690.79x = 44,540.29 × 9,974.99
  4. Step 4: Simplify right side
    29,690.79x = 444,288,811.06
  5. Step 5: Solve for x
    x = 444,288,811.06/29,690.79
  6. Step 6: Final answer
    x = 14,963.86

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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.