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Finding the Fourth Proportional to 1,933.26, 2,898.06 and 634.02

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Solution

The fourth proportional to 1,933.26, 2,898.06 and 634.02 is: 950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.26 : 2,898.06 = 634.02 : x
  2. Step 2: Convert to fraction form
    1,933.26/2,898.06 = 634.02/x
  3. Step 3: Cross multiply
    1,933.26x = 2,898.06 × 634.02
  4. Step 4: Simplify right side
    1,933.26x = 1,837,428.00
  5. Step 5: Solve for x
    x = 1,837,428.00/1,933.26
  6. Step 6: Final answer
    x = 950.43

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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.