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Finding the Fourth Proportional to 57,491.13, 79,292.75 and 37,354.56

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Solution

The fourth proportional to 57,491.13, 79,292.75 and 37,354.56 is: 51,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.13 : 79,292.75 = 37,354.56 : x
  2. Step 2: Convert to fraction form
    57,491.13/79,292.75 = 37,354.56/x
  3. Step 3: Cross multiply
    57,491.13x = 79,292.75 × 37,354.56
  4. Step 4: Simplify right side
    57,491.13x = 2,961,945,787.44
  5. Step 5: Solve for x
    x = 2,961,945,787.44/57,491.13
  6. Step 6: Final answer
    x = 51,520.05

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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.