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Finding the Fourth Proportional to 45,351.56, 62,563.38 and 39,053

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Solution

The fourth proportional to 45,351.56, 62,563.38 and 39,053 is: 53,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.56 : 62,563.38 = 39,053 : x
  2. Step 2: Convert to fraction form
    45,351.56/62,563.38 = 39,053/x
  3. Step 3: Cross multiply
    45,351.56x = 62,563.38 × 39,053
  4. Step 4: Simplify right side
    45,351.56x = 2,443,287,679.14
  5. Step 5: Solve for x
    x = 2,443,287,679.14/45,351.56
  6. Step 6: Final answer
    x = 53,874.39

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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.