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Finding the Fourth Proportional to 54,956.58, 82,443.07 and 19,888.03

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Solution

The fourth proportional to 54,956.58, 82,443.07 and 19,888.03 is: 29,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.58 : 82,443.07 = 19,888.03 : x
  2. Step 2: Convert to fraction form
    54,956.58/82,443.07 = 19,888.03/x
  3. Step 3: Cross multiply
    54,956.58x = 82,443.07 × 19,888.03
  4. Step 4: Simplify right side
    54,956.58x = 1,639,630,265.50
  5. Step 5: Solve for x
    x = 1,639,630,265.50/54,956.58
  6. Step 6: Final answer
    x = 29,835.01

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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.