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Finding the Fourth Proportional to 15,846.59, 23,773.49 and 8,447.15

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Solution

The fourth proportional to 15,846.59, 23,773.49 and 8,447.15 is: 12,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.59 : 23,773.49 = 8,447.15 : x
  2. Step 2: Convert to fraction form
    15,846.59/23,773.49 = 8,447.15/x
  3. Step 3: Cross multiply
    15,846.59x = 23,773.49 × 8,447.15
  4. Step 4: Simplify right side
    15,846.59x = 200,818,236.05
  5. Step 5: Solve for x
    x = 200,818,236.05/15,846.59
  6. Step 6: Final answer
    x = 12,672.65

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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.