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Finding the Fourth Proportional to 54,888, 82,315.80 and 17,446.56

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Solution

The fourth proportional to 54,888, 82,315.80 and 17,446.56 is: 26,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888 : 82,315.80 = 17,446.56 : x
  2. Step 2: Convert to fraction form
    54,888/82,315.80 = 17,446.56/x
  3. Step 3: Cross multiply
    54,888x = 82,315.80 × 17,446.56
  4. Step 4: Simplify right side
    54,888x = 1,436,127,543.65
  5. Step 5: Solve for x
    x = 1,436,127,543.65/54,888
  6. Step 6: Final answer
    x = 26,164.69

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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.