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Finding the Fourth Proportional to 25,801.70, 38,702.55 and 8,273.30

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Solution

The fourth proportional to 25,801.70, 38,702.55 and 8,273.30 is: 12,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.70 : 38,702.55 = 8,273.30 : x
  2. Step 2: Convert to fraction form
    25,801.70/38,702.55 = 8,273.30/x
  3. Step 3: Cross multiply
    25,801.70x = 38,702.55 × 8,273.30
  4. Step 4: Simplify right side
    25,801.70x = 320,197,806.92
  5. Step 5: Solve for x
    x = 320,197,806.92/25,801.70
  6. Step 6: Final answer
    x = 12,409.95

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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.