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Finding the Fourth Proportional to 25,835.94, 38,760.06 and 8,305.76

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Solution

The fourth proportional to 25,835.94, 38,760.06 and 8,305.76 is: 12,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.94 : 38,760.06 = 8,305.76 : x
  2. Step 2: Convert to fraction form
    25,835.94/38,760.06 = 8,305.76/x
  3. Step 3: Cross multiply
    25,835.94x = 38,760.06 × 8,305.76
  4. Step 4: Simplify right side
    25,835.94x = 321,931,755.95
  5. Step 5: Solve for x
    x = 321,931,755.95/25,835.94
  6. Step 6: Final answer
    x = 12,460.62

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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.