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Finding the Fourth Proportional to 54,857.35, 82,286.03 and 13,304.35

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Solution

The fourth proportional to 54,857.35, 82,286.03 and 13,304.35 is: 19,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.35 : 82,286.03 = 13,304.35 : x
  2. Step 2: Convert to fraction form
    54,857.35/82,286.03 = 13,304.35/x
  3. Step 3: Cross multiply
    54,857.35x = 82,286.03 × 13,304.35
  4. Step 4: Simplify right side
    54,857.35x = 1,094,761,665.28
  5. Step 5: Solve for x
    x = 1,094,761,665.28/54,857.35
  6. Step 6: Final answer
    x = 19,956.52

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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.