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Finding the Fourth Proportional to 2,419.47, 3,629.73 and 753.57

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Solution

The fourth proportional to 2,419.47, 3,629.73 and 753.57 is: 1,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.47 : 3,629.73 = 753.57 : x
  2. Step 2: Convert to fraction form
    2,419.47/3,629.73 = 753.57/x
  3. Step 3: Cross multiply
    2,419.47x = 3,629.73 × 753.57
  4. Step 4: Simplify right side
    2,419.47x = 2,735,255.64
  5. Step 5: Solve for x
    x = 2,735,255.64/2,419.47
  6. Step 6: Final answer
    x = 1,130.52

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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.