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Finding the Fourth Proportional to 1,822.26, 2,729.73 and 954.75

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Solution

The fourth proportional to 1,822.26, 2,729.73 and 954.75 is: 1,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.26 : 2,729.73 = 954.75 : x
  2. Step 2: Convert to fraction form
    1,822.26/2,729.73 = 954.75/x
  3. Step 3: Cross multiply
    1,822.26x = 2,729.73 × 954.75
  4. Step 4: Simplify right side
    1,822.26x = 2,606,209.72
  5. Step 5: Solve for x
    x = 2,606,209.72/1,822.26
  6. Step 6: Final answer
    x = 1,430.21

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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.