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Finding the Fourth Proportional to 2,412.88, 3,620.19 and 951.22

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Solution

The fourth proportional to 2,412.88, 3,620.19 and 951.22 is: 1,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.88 : 3,620.19 = 951.22 : x
  2. Step 2: Convert to fraction form
    2,412.88/3,620.19 = 951.22/x
  3. Step 3: Cross multiply
    2,412.88x = 3,620.19 × 951.22
  4. Step 4: Simplify right side
    2,412.88x = 3,443,597.13
  5. Step 5: Solve for x
    x = 3,443,597.13/2,412.88
  6. Step 6: Final answer
    x = 1,427.17

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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.