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Finding the Fourth Proportional to 2,013.26, 3,019.95 and 552.69

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Solution

The fourth proportional to 2,013.26, 3,019.95 and 552.69 is: 829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.26 : 3,019.95 = 552.69 : x
  2. Step 2: Convert to fraction form
    2,013.26/3,019.95 = 552.69/x
  3. Step 3: Cross multiply
    2,013.26x = 3,019.95 × 552.69
  4. Step 4: Simplify right side
    2,013.26x = 1,669,096.17
  5. Step 5: Solve for x
    x = 1,669,096.17/2,013.26
  6. Step 6: Final answer
    x = 829.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.