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Finding the Fourth Proportional to 34,747.56, 52,072.74 and 18,952.56

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Solution

The fourth proportional to 34,747.56, 52,072.74 and 18,952.56 is: 28,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.56 : 52,072.74 = 18,952.56 : x
  2. Step 2: Convert to fraction form
    34,747.56/52,072.74 = 18,952.56/x
  3. Step 3: Cross multiply
    34,747.56x = 52,072.74 × 18,952.56
  4. Step 4: Simplify right side
    34,747.56x = 986,911,729.21
  5. Step 5: Solve for x
    x = 986,911,729.21/34,747.56
  6. Step 6: Final answer
    x = 28,402.33

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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.