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Finding the Fourth Proportional to 3,322.40, 4,976.40 and 2,026.40

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Solution

The fourth proportional to 3,322.40, 4,976.40 and 2,026.40 is: 3,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.40 : 4,976.40 = 2,026.40 : x
  2. Step 2: Convert to fraction form
    3,322.40/4,976.40 = 2,026.40/x
  3. Step 3: Cross multiply
    3,322.40x = 4,976.40 × 2,026.40
  4. Step 4: Simplify right side
    3,322.40x = 10,084,176.96
  5. Step 5: Solve for x
    x = 10,084,176.96/3,322.40
  6. Step 6: Final answer
    x = 3,035.21

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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.