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Finding the Fourth Proportional to 4,899.56, 7,350.21 and 1,612.76

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Solution

The fourth proportional to 4,899.56, 7,350.21 and 1,612.76 is: 2,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.56 : 7,350.21 = 1,612.76 : x
  2. Step 2: Convert to fraction form
    4,899.56/7,350.21 = 1,612.76/x
  3. Step 3: Cross multiply
    4,899.56x = 7,350.21 × 1,612.76
  4. Step 4: Simplify right side
    4,899.56x = 11,854,087.93
  5. Step 5: Solve for x
    x = 11,854,087.93/4,899.56
  6. Step 6: Final answer
    x = 2,419.42

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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.