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Finding the Fourth Proportional to 2,084.07, 3,126.11 and 623.23

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Solution

The fourth proportional to 2,084.07, 3,126.11 and 623.23 is: 934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.07 : 3,126.11 = 623.23 : x
  2. Step 2: Convert to fraction form
    2,084.07/3,126.11 = 623.23/x
  3. Step 3: Cross multiply
    2,084.07x = 3,126.11 × 623.23
  4. Step 4: Simplify right side
    2,084.07x = 1,948,285.54
  5. Step 5: Solve for x
    x = 1,948,285.54/2,084.07
  6. Step 6: Final answer
    x = 934.85

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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.