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Finding the Fourth Proportional to 7,995.53, 11,996.60 and 4,487.96

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Solution

The fourth proportional to 7,995.53, 11,996.60 and 4,487.96 is: 6,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.53 : 11,996.60 = 4,487.96 : x
  2. Step 2: Convert to fraction form
    7,995.53/11,996.60 = 4,487.96/x
  3. Step 3: Cross multiply
    7,995.53x = 11,996.60 × 4,487.96
  4. Step 4: Simplify right side
    7,995.53x = 53,840,178.51
  5. Step 5: Solve for x
    x = 53,840,178.51/7,995.53
  6. Step 6: Final answer
    x = 6,733.79

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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.