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Finding the Fourth Proportional to 34,896.92, 52,261.79 and 19,078.20

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Solution

The fourth proportional to 34,896.92, 52,261.79 and 19,078.20 is: 28,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,896.92 : 52,261.79 = 19,078.20 : x
  2. Step 2: Convert to fraction form
    34,896.92/52,261.79 = 19,078.20/x
  3. Step 3: Cross multiply
    34,896.92x = 52,261.79 × 19,078.20
  4. Step 4: Simplify right side
    34,896.92x = 997,060,786.59
  5. Step 5: Solve for x
    x = 997,060,786.59/34,896.92
  6. Step 6: Final answer
    x = 28,571.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.