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Finding the Fourth Proportional to 2,982.58, 4,473.87 and 1,133.26

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Solution

The fourth proportional to 2,982.58, 4,473.87 and 1,133.26 is: 1,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.58 : 4,473.87 = 1,133.26 : x
  2. Step 2: Convert to fraction form
    2,982.58/4,473.87 = 1,133.26/x
  3. Step 3: Cross multiply
    2,982.58x = 4,473.87 × 1,133.26
  4. Step 4: Simplify right side
    2,982.58x = 5,070,057.92
  5. Step 5: Solve for x
    x = 5,070,057.92/2,982.58
  6. Step 6: Final answer
    x = 1,699.89

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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.