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Finding the Fourth Proportional to 2,035.40, 3,052.78 and 574.66

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Solution

The fourth proportional to 2,035.40, 3,052.78 and 574.66 is: 861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.40 : 3,052.78 = 574.66 : x
  2. Step 2: Convert to fraction form
    2,035.40/3,052.78 = 574.66/x
  3. Step 3: Cross multiply
    2,035.40x = 3,052.78 × 574.66
  4. Step 4: Simplify right side
    2,035.40x = 1,754,301.49
  5. Step 5: Solve for x
    x = 1,754,301.49/2,035.40
  6. Step 6: Final answer
    x = 861.89

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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.