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Finding the Fourth Proportional to 2,406.25, 3,608.73 and 945.41

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Solution

The fourth proportional to 2,406.25, 3,608.73 and 945.41 is: 1,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.25 : 3,608.73 = 945.41 : x
  2. Step 2: Convert to fraction form
    2,406.25/3,608.73 = 945.41/x
  3. Step 3: Cross multiply
    2,406.25x = 3,608.73 × 945.41
  4. Step 4: Simplify right side
    2,406.25x = 3,411,729.43
  5. Step 5: Solve for x
    x = 3,411,729.43/2,406.25
  6. Step 6: Final answer
    x = 1,417.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.