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Finding the Fourth Proportional to 4,610.66, 6,918.02 and 2,418.86

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Solution

The fourth proportional to 4,610.66, 6,918.02 and 2,418.86 is: 3,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.66 : 6,918.02 = 2,418.86 : x
  2. Step 2: Convert to fraction form
    4,610.66/6,918.02 = 2,418.86/x
  3. Step 3: Cross multiply
    4,610.66x = 6,918.02 × 2,418.86
  4. Step 4: Simplify right side
    4,610.66x = 16,733,675.17
  5. Step 5: Solve for x
    x = 16,733,675.17/4,610.66
  6. Step 6: Final answer
    x = 3,629.35

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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.