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Finding the Fourth Proportional to 54,583.19, 81,874.37 and 17,143.19

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Solution

The fourth proportional to 54,583.19, 81,874.37 and 17,143.19 is: 25,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.19 : 81,874.37 = 17,143.19 : x
  2. Step 2: Convert to fraction form
    54,583.19/81,874.37 = 17,143.19/x
  3. Step 3: Cross multiply
    54,583.19x = 81,874.37 × 17,143.19
  4. Step 4: Simplify right side
    54,583.19x = 1,403,587,514.53
  5. Step 5: Solve for x
    x = 1,403,587,514.53/54,583.19
  6. Step 6: Final answer
    x = 25,714.65

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Similar ratio
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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.