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Finding the Fourth Proportional to 51,735.87, 71,339.00 and 34,939.71

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Solution

The fourth proportional to 51,735.87, 71,339.00 and 34,939.71 is: 48,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,735.87 : 71,339.00 = 34,939.71 : x
  2. Step 2: Convert to fraction form
    51,735.87/71,339.00 = 34,939.71/x
  3. Step 3: Cross multiply
    51,735.87x = 71,339.00 × 34,939.71
  4. Step 4: Simplify right side
    51,735.87x = 2,492,563,796.99
  5. Step 5: Solve for x
    x = 2,492,563,796.99/51,735.87
  6. Step 6: Final answer
    x = 48,178.64

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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.