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Finding the Fourth Proportional to 34,751.54, 47,957.25 and 18,835.94

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Solution

The fourth proportional to 34,751.54, 47,957.25 and 18,835.94 is: 25,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.54 : 47,957.25 = 18,835.94 : x
  2. Step 2: Convert to fraction form
    34,751.54/47,957.25 = 18,835.94/x
  3. Step 3: Cross multiply
    34,751.54x = 47,957.25 × 18,835.94
  4. Step 4: Simplify right side
    34,751.54x = 903,319,883.57
  5. Step 5: Solve for x
    x = 903,319,883.57/34,751.54
  6. Step 6: Final answer
    x = 25,993.66

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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.