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Finding the Fourth Proportional to 54,571.68, 81,888.91 and 22,979.25

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Solution

The fourth proportional to 54,571.68, 81,888.91 and 22,979.25 is: 34,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.68 : 81,888.91 = 22,979.25 : x
  2. Step 2: Convert to fraction form
    54,571.68/81,888.91 = 22,979.25/x
  3. Step 3: Cross multiply
    54,571.68x = 81,888.91 × 22,979.25
  4. Step 4: Simplify right side
    54,571.68x = 1,881,745,677.67
  5. Step 5: Solve for x
    x = 1,881,745,677.67/54,571.68
  6. Step 6: Final answer
    x = 34,482.09

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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.