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Finding the Fourth Proportional to 54,991.52, 82,486.26 and 17,551.30

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Solution

The fourth proportional to 54,991.52, 82,486.26 and 17,551.30 is: 26,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,991.52 : 82,486.26 = 17,551.30 : x
  2. Step 2: Convert to fraction form
    54,991.52/82,486.26 = 17,551.30/x
  3. Step 3: Cross multiply
    54,991.52x = 82,486.26 × 17,551.30
  4. Step 4: Simplify right side
    54,991.52x = 1,447,741,095.14
  5. Step 5: Solve for x
    x = 1,447,741,095.14/54,991.52
  6. Step 6: Final answer
    x = 26,326.62

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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.