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Finding the Fourth Proportional to 7,995.67, 11,996.97 and 4,293.58

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Solution

The fourth proportional to 7,995.67, 11,996.97 and 4,293.58 is: 6,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.67 : 11,996.97 = 4,293.58 : x
  2. Step 2: Convert to fraction form
    7,995.67/11,996.97 = 4,293.58/x
  3. Step 3: Cross multiply
    7,995.67x = 11,996.97 × 4,293.58
  4. Step 4: Simplify right side
    7,995.67x = 51,509,950.45
  5. Step 5: Solve for x
    x = 51,509,950.45/7,995.67
  6. Step 6: Final answer
    x = 6,442.23

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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.