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Finding the Fourth Proportional to 2,546.70, 3,820.06 and 903.29

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Solution

The fourth proportional to 2,546.70, 3,820.06 and 903.29 is: 1,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.70 : 3,820.06 = 903.29 : x
  2. Step 2: Convert to fraction form
    2,546.70/3,820.06 = 903.29/x
  3. Step 3: Cross multiply
    2,546.70x = 3,820.06 × 903.29
  4. Step 4: Simplify right side
    2,546.70x = 3,450,622.00
  5. Step 5: Solve for x
    x = 3,450,622.00/2,546.70
  6. Step 6: Final answer
    x = 1,354.94

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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.