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Finding the Fourth Proportional to 4,943.28, 7,407.28 and 3,293.85

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Solution

The fourth proportional to 4,943.28, 7,407.28 and 3,293.85 is: 4,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.28 : 7,407.28 = 3,293.85 : x
  2. Step 2: Convert to fraction form
    4,943.28/7,407.28 = 3,293.85/x
  3. Step 3: Cross multiply
    4,943.28x = 7,407.28 × 3,293.85
  4. Step 4: Simplify right side
    4,943.28x = 24,398,469.23
  5. Step 5: Solve for x
    x = 24,398,469.23/4,943.28
  6. Step 6: Final answer
    x = 4,935.68

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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.