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Finding the Fourth Proportional to 6,251.90, 9,376.11 and 1,868.31

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Solution

The fourth proportional to 6,251.90, 9,376.11 and 1,868.31 is: 2,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.90 : 9,376.11 = 1,868.31 : x
  2. Step 2: Convert to fraction form
    6,251.90/9,376.11 = 1,868.31/x
  3. Step 3: Cross multiply
    6,251.90x = 9,376.11 × 1,868.31
  4. Step 4: Simplify right side
    6,251.90x = 17,517,480.07
  5. Step 5: Solve for x
    x = 17,517,480.07/6,251.90
  6. Step 6: Final answer
    x = 2,801.95

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1.5x scale

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.