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Finding the Fourth Proportional to 3,395.96, 5,087.78 and 1,548.62

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Solution

The fourth proportional to 3,395.96, 5,087.78 and 1,548.62 is: 2,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.96 : 5,087.78 = 1,548.62 : x
  2. Step 2: Convert to fraction form
    3,395.96/5,087.78 = 1,548.62/x
  3. Step 3: Cross multiply
    3,395.96x = 5,087.78 × 1,548.62
  4. Step 4: Simplify right side
    3,395.96x = 7,879,037.86
  5. Step 5: Solve for x
    x = 7,879,037.86/3,395.96
  6. Step 6: Final answer
    x = 2,320.12

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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.