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Finding the Fourth Proportional to 3,102.57, 4,646.57 and 2,582.55

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Solution

The fourth proportional to 3,102.57, 4,646.57 and 2,582.55 is: 3,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.57 : 4,646.57 = 2,582.55 : x
  2. Step 2: Convert to fraction form
    3,102.57/4,646.57 = 2,582.55/x
  3. Step 3: Cross multiply
    3,102.57x = 4,646.57 × 2,582.55
  4. Step 4: Simplify right side
    3,102.57x = 11,999,986.44
  5. Step 5: Solve for x
    x = 11,999,986.44/3,102.57
  6. Step 6: Final answer
    x = 3,867.76

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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.