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Finding the Fourth Proportional to 7,953.04, 11,919.20 and 3,267.48

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Solution

The fourth proportional to 7,953.04, 11,919.20 and 3,267.48 is: 4,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.04 : 11,919.20 = 3,267.48 : x
  2. Step 2: Convert to fraction form
    7,953.04/11,919.20 = 3,267.48/x
  3. Step 3: Cross multiply
    7,953.04x = 11,919.20 × 3,267.48
  4. Step 4: Simplify right side
    7,953.04x = 38,945,747.62
  5. Step 5: Solve for x
    x = 38,945,747.62/7,953.04
  6. Step 6: Final answer
    x = 4,896.96

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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.