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Finding the Fourth Proportional to 1,674.59, 2,512.10 and 634.97

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Solution

The fourth proportional to 1,674.59, 2,512.10 and 634.97 is: 952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.59 : 2,512.10 = 634.97 : x
  2. Step 2: Convert to fraction form
    1,674.59/2,512.10 = 634.97/x
  3. Step 3: Cross multiply
    1,674.59x = 2,512.10 × 634.97
  4. Step 4: Simplify right side
    1,674.59x = 1,595,116.00
  5. Step 5: Solve for x
    x = 1,595,116.00/1,674.59
  6. Step 6: Final answer
    x = 952.54

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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.