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Finding the Fourth Proportional to 3,973.12, 5,463.12 and 3,550.84

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Solution

The fourth proportional to 3,973.12, 5,463.12 and 3,550.84 is: 4,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.12 : 5,463.12 = 3,550.84 : x
  2. Step 2: Convert to fraction form
    3,973.12/5,463.12 = 3,550.84/x
  3. Step 3: Cross multiply
    3,973.12x = 5,463.12 × 3,550.84
  4. Step 4: Simplify right side
    3,973.12x = 19,398,665.02
  5. Step 5: Solve for x
    x = 19,398,665.02/3,973.12
  6. Step 6: Final answer
    x = 4,882.48

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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.