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Finding the Fourth Proportional to 7,383.80, 11,070.84 and 2,996.84

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Solution

The fourth proportional to 7,383.80, 11,070.84 and 2,996.84 is: 4,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.80 : 11,070.84 = 2,996.84 : x
  2. Step 2: Convert to fraction form
    7,383.80/11,070.84 = 2,996.84/x
  3. Step 3: Cross multiply
    7,383.80x = 11,070.84 × 2,996.84
  4. Step 4: Simplify right side
    7,383.80x = 33,177,536.15
  5. Step 5: Solve for x
    x = 33,177,536.15/7,383.80
  6. Step 6: Final answer
    x = 4,493.29

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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.