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Finding the Fourth Proportional to 34,755.67, 52,203.30 and 20,743.06

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Solution

The fourth proportional to 34,755.67, 52,203.30 and 20,743.06 is: 31,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.67 : 52,203.30 = 20,743.06 : x
  2. Step 2: Convert to fraction form
    34,755.67/52,203.30 = 20,743.06/x
  3. Step 3: Cross multiply
    34,755.67x = 52,203.30 × 20,743.06
  4. Step 4: Simplify right side
    34,755.67x = 1,082,856,184.10
  5. Step 5: Solve for x
    x = 1,082,856,184.10/34,755.67
  6. Step 6: Final answer
    x = 31,156.25

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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.