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Finding the Fourth Proportional to 34,627.92, 47,787.46 and 21,198.92

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Solution

The fourth proportional to 34,627.92, 47,787.46 and 21,198.92 is: 29,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,627.92 : 47,787.46 = 21,198.92 : x
  2. Step 2: Convert to fraction form
    34,627.92/47,787.46 = 21,198.92/x
  3. Step 3: Cross multiply
    34,627.92x = 47,787.46 × 21,198.92
  4. Step 4: Simplify right side
    34,627.92x = 1,013,042,541.54
  5. Step 5: Solve for x
    x = 1,013,042,541.54/34,627.92
  6. Step 6: Final answer
    x = 29,255.08

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1.5x scale

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.