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Finding the Fourth Proportional to 4,656.21, 6,984.74 and 1,494.10

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Solution

The fourth proportional to 4,656.21, 6,984.74 and 1,494.10 is: 2,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.21 : 6,984.74 = 1,494.10 : x
  2. Step 2: Convert to fraction form
    4,656.21/6,984.74 = 1,494.10/x
  3. Step 3: Cross multiply
    4,656.21x = 6,984.74 × 1,494.10
  4. Step 4: Simplify right side
    4,656.21x = 10,435,900.03
  5. Step 5: Solve for x
    x = 10,435,900.03/4,656.21
  6. Step 6: Final answer
    x = 2,241.29

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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.