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Finding the Fourth Proportional to 34,750.50, 47,955.42 and 18,834.54

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Solution

The fourth proportional to 34,750.50, 47,955.42 and 18,834.54 is: 25,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.50 : 47,955.42 = 18,834.54 : x
  2. Step 2: Convert to fraction form
    34,750.50/47,955.42 = 18,834.54/x
  3. Step 3: Cross multiply
    34,750.50x = 47,955.42 × 18,834.54
  4. Step 4: Simplify right side
    34,750.50x = 903,218,276.21
  5. Step 5: Solve for x
    x = 903,218,276.21/34,750.50
  6. Step 6: Final answer
    x = 25,991.52

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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.