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Finding the Fourth Proportional to 2,982.84, 4,473.18 and 1,134.45

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Solution

The fourth proportional to 2,982.84, 4,473.18 and 1,134.45 is: 1,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.84 : 4,473.18 = 1,134.45 : x
  2. Step 2: Convert to fraction form
    2,982.84/4,473.18 = 1,134.45/x
  3. Step 3: Cross multiply
    2,982.84x = 4,473.18 × 1,134.45
  4. Step 4: Simplify right side
    2,982.84x = 5,074,599.05
  5. Step 5: Solve for x
    x = 5,074,599.05/2,982.84
  6. Step 6: Final answer
    x = 1,701.26

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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.