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Finding the Fourth Proportional to 3,966.72, 5,953.44 and 2,213.42

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Solution

The fourth proportional to 3,966.72, 5,953.44 and 2,213.42 is: 3,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.72 : 5,953.44 = 2,213.42 : x
  2. Step 2: Convert to fraction form
    3,966.72/5,953.44 = 2,213.42/x
  3. Step 3: Cross multiply
    3,966.72x = 5,953.44 × 2,213.42
  4. Step 4: Simplify right side
    3,966.72x = 13,177,463.16
  5. Step 5: Solve for x
    x = 13,177,463.16/3,966.72
  6. Step 6: Final answer
    x = 3,322.00

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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.