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Finding the Fourth Proportional to 8,546.76, 11,793.78 and 4,769.64

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Solution

The fourth proportional to 8,546.76, 11,793.78 and 4,769.64 is: 6,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.76 : 11,793.78 = 4,769.64 : x
  2. Step 2: Convert to fraction form
    8,546.76/11,793.78 = 4,769.64/x
  3. Step 3: Cross multiply
    8,546.76x = 11,793.78 × 4,769.64
  4. Step 4: Simplify right side
    8,546.76x = 56,252,084.84
  5. Step 5: Solve for x
    x = 56,252,084.84/8,546.76
  6. Step 6: Final answer
    x = 6,581.69

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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.