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Finding the Fourth Proportional to 29,551.35, 40,784.01 and 18,072.98

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Solution

The fourth proportional to 29,551.35, 40,784.01 and 18,072.98 is: 24,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.35 : 40,784.01 = 18,072.98 : x
  2. Step 2: Convert to fraction form
    29,551.35/40,784.01 = 18,072.98/x
  3. Step 3: Cross multiply
    29,551.35x = 40,784.01 × 18,072.98
  4. Step 4: Simplify right side
    29,551.35x = 737,088,478.30
  5. Step 5: Solve for x
    x = 737,088,478.30/29,551.35
  6. Step 6: Final answer
    x = 24,942.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.