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Finding the Fourth Proportional to 2,486.06, 3,729.09 and 1,334.06

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Solution

The fourth proportional to 2,486.06, 3,729.09 and 1,334.06 is: 2,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.06 : 3,729.09 = 1,334.06 : x
  2. Step 2: Convert to fraction form
    2,486.06/3,729.09 = 1,334.06/x
  3. Step 3: Cross multiply
    2,486.06x = 3,729.09 × 1,334.06
  4. Step 4: Simplify right side
    2,486.06x = 4,974,829.81
  5. Step 5: Solve for x
    x = 4,974,829.81/2,486.06
  6. Step 6: Final answer
    x = 2,001.09

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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.