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Finding the Fourth Proportional to 29,719.95, 44,549.94 and 18,634.43

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Solution

The fourth proportional to 29,719.95, 44,549.94 and 18,634.43 is: 27,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.95 : 44,549.94 = 18,634.43 : x
  2. Step 2: Convert to fraction form
    29,719.95/44,549.94 = 18,634.43/x
  3. Step 3: Cross multiply
    29,719.95x = 44,549.94 × 18,634.43
  4. Step 4: Simplify right side
    29,719.95x = 830,162,515.68
  5. Step 5: Solve for x
    x = 830,162,515.68/29,719.95
  6. Step 6: Final answer
    x = 27,932.84

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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.