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Finding the Fourth Proportional to 4,986.41, 7,480.51 and 2,064.94

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Solution

The fourth proportional to 4,986.41, 7,480.51 and 2,064.94 is: 3,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.41 : 7,480.51 = 2,064.94 : x
  2. Step 2: Convert to fraction form
    4,986.41/7,480.51 = 2,064.94/x
  3. Step 3: Cross multiply
    4,986.41x = 7,480.51 × 2,064.94
  4. Step 4: Simplify right side
    4,986.41x = 15,446,804.32
  5. Step 5: Solve for x
    x = 15,446,804.32/4,986.41
  6. Step 6: Final answer
    x = 3,097.78

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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.