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Finding the Fourth Proportional to 2,035.28, 3,052.68 and 574.40

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Solution

The fourth proportional to 2,035.28, 3,052.68 and 574.40 is: 861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.28 : 3,052.68 = 574.40 : x
  2. Step 2: Convert to fraction form
    2,035.28/3,052.68 = 574.40/x
  3. Step 3: Cross multiply
    2,035.28x = 3,052.68 × 574.40
  4. Step 4: Simplify right side
    2,035.28x = 1,753,459.39
  5. Step 5: Solve for x
    x = 1,753,459.39/2,035.28
  6. Step 6: Final answer
    x = 861.53

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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.