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Finding the Fourth Proportional to 6,243.80, 9,365.70 and 2,963.30

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Solution

The fourth proportional to 6,243.80, 9,365.70 and 2,963.30 is: 4,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.80 : 9,365.70 = 2,963.30 : x
  2. Step 2: Convert to fraction form
    6,243.80/9,365.70 = 2,963.30/x
  3. Step 3: Cross multiply
    6,243.80x = 9,365.70 × 2,963.30
  4. Step 4: Simplify right side
    6,243.80x = 27,753,378.81
  5. Step 5: Solve for x
    x = 27,753,378.81/6,243.80
  6. Step 6: Final answer
    x = 4,444.95

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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.