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Finding the Fourth Proportional to 3,322.59, 4,983.90 and 1,374.85

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Solution

The fourth proportional to 3,322.59, 4,983.90 and 1,374.85 is: 2,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.59 : 4,983.90 = 1,374.85 : x
  2. Step 2: Convert to fraction form
    3,322.59/4,983.90 = 1,374.85/x
  3. Step 3: Cross multiply
    3,322.59x = 4,983.90 × 1,374.85
  4. Step 4: Simplify right side
    3,322.59x = 6,852,114.92
  5. Step 5: Solve for x
    x = 6,852,114.92/3,322.59
  6. Step 6: Final answer
    x = 2,062.28

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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.