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Finding the Fourth Proportional to 15,793.00, 23,672.48 and 8,390.00

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Solution

The fourth proportional to 15,793.00, 23,672.48 and 8,390.00 is: 12,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.00 : 23,672.48 = 8,390.00 : x
  2. Step 2: Convert to fraction form
    15,793.00/23,672.48 = 8,390.00/x
  3. Step 3: Cross multiply
    15,793.00x = 23,672.48 × 8,390.00
  4. Step 4: Simplify right side
    15,793.00x = 198,612,124.43
  5. Step 5: Solve for x
    x = 198,612,124.43/15,793.00
  6. Step 6: Final answer
    x = 12,575.96

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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.