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Finding the Fourth Proportional to 54,338.88, 81,508.25 and 14,899.07

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Solution

The fourth proportional to 54,338.88, 81,508.25 and 14,899.07 is: 22,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.88 : 81,508.25 = 14,899.07 : x
  2. Step 2: Convert to fraction form
    54,338.88/81,508.25 = 14,899.07/x
  3. Step 3: Cross multiply
    54,338.88x = 81,508.25 × 14,899.07
  4. Step 4: Simplify right side
    54,338.88x = 1,214,396,640.29
  5. Step 5: Solve for x
    x = 1,214,396,640.29/54,338.88
  6. Step 6: Final answer
    x = 22,348.58

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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.