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Finding the Fourth Proportional to 8,793.41, 12,135.87 and 5,606.82

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Solution

The fourth proportional to 8,793.41, 12,135.87 and 5,606.82 is: 7,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.41 : 12,135.87 = 5,606.82 : x
  2. Step 2: Convert to fraction form
    8,793.41/12,135.87 = 5,606.82/x
  3. Step 3: Cross multiply
    8,793.41x = 12,135.87 × 5,606.82
  4. Step 4: Simplify right side
    8,793.41x = 68,043,638.63
  5. Step 5: Solve for x
    x = 68,043,638.63/8,793.41
  6. Step 6: Final answer
    x = 7,738.03

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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.