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Finding the Fourth Proportional to 2,458.56, 3,681.48 and 1,361.64

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Solution

The fourth proportional to 2,458.56, 3,681.48 and 1,361.64 is: 2,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.56 : 3,681.48 = 1,361.64 : x
  2. Step 2: Convert to fraction form
    2,458.56/3,681.48 = 1,361.64/x
  3. Step 3: Cross multiply
    2,458.56x = 3,681.48 × 1,361.64
  4. Step 4: Simplify right side
    2,458.56x = 5,012,850.43
  5. Step 5: Solve for x
    x = 5,012,850.43/2,458.56
  6. Step 6: Final answer
    x = 2,038.94

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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.