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Finding the Fourth Proportional to 5,753.32, 7,939.30 and 3,270.12

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Solution

The fourth proportional to 5,753.32, 7,939.30 and 3,270.12 is: 4,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.32 : 7,939.30 = 3,270.12 : x
  2. Step 2: Convert to fraction form
    5,753.32/7,939.30 = 3,270.12/x
  3. Step 3: Cross multiply
    5,753.32x = 7,939.30 × 3,270.12
  4. Step 4: Simplify right side
    5,753.32x = 25,962,463.72
  5. Step 5: Solve for x
    x = 25,962,463.72/5,753.32
  6. Step 6: Final answer
    x = 4,512.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.