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Finding the Fourth Proportional to 54,853.38, 82,279.98 and 19,792.98

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Solution

The fourth proportional to 54,853.38, 82,279.98 and 19,792.98 is: 29,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.38 : 82,279.98 = 19,792.98 : x
  2. Step 2: Convert to fraction form
    54,853.38/82,279.98 = 19,792.98/x
  3. Step 3: Cross multiply
    54,853.38x = 82,279.98 × 19,792.98
  4. Step 4: Simplify right side
    54,853.38x = 1,628,565,998.54
  5. Step 5: Solve for x
    x = 1,628,565,998.54/54,853.38
  6. Step 6: Final answer
    x = 29,689.44

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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.