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Finding the Fourth Proportional to 3,494.85, 4,822.85 and 2,602.58

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Solution

The fourth proportional to 3,494.85, 4,822.85 and 2,602.58 is: 3,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.85 : 4,822.85 = 2,602.58 : x
  2. Step 2: Convert to fraction form
    3,494.85/4,822.85 = 2,602.58/x
  3. Step 3: Cross multiply
    3,494.85x = 4,822.85 × 2,602.58
  4. Step 4: Simplify right side
    3,494.85x = 12,551,871.52
  5. Step 5: Solve for x
    x = 12,551,871.52/3,494.85
  6. Step 6: Final answer
    x = 3,591.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.