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Finding the Fourth Proportional to 54,866.82, 82,262.79 and 26,388.74

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Solution

The fourth proportional to 54,866.82, 82,262.79 and 26,388.74 is: 39,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.82 : 82,262.79 = 26,388.74 : x
  2. Step 2: Convert to fraction form
    54,866.82/82,262.79 = 26,388.74/x
  3. Step 3: Cross multiply
    54,866.82x = 82,262.79 × 26,388.74
  4. Step 4: Simplify right side
    54,866.82x = 2,170,811,119.91
  5. Step 5: Solve for x
    x = 2,170,811,119.91/54,866.82
  6. Step 6: Final answer
    x = 39,565.10

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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.