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Finding the Fourth Proportional to 11,642.96, 17,463.22 and 3,322.46

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Solution

The fourth proportional to 11,642.96, 17,463.22 and 3,322.46 is: 4,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.96 : 17,463.22 = 3,322.46 : x
  2. Step 2: Convert to fraction form
    11,642.96/17,463.22 = 3,322.46/x
  3. Step 3: Cross multiply
    11,642.96x = 17,463.22 × 3,322.46
  4. Step 4: Simplify right side
    11,642.96x = 58,020,849.92
  5. Step 5: Solve for x
    x = 58,020,849.92/11,642.96
  6. Step 6: Final answer
    x = 4,983.34

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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.