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Finding the Fourth Proportional to 54,538.83, 81,808.09 and 17,099.06

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Solution

The fourth proportional to 54,538.83, 81,808.09 and 17,099.06 is: 25,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.83 : 81,808.09 = 17,099.06 : x
  2. Step 2: Convert to fraction form
    54,538.83/81,808.09 = 17,099.06/x
  3. Step 3: Cross multiply
    54,538.83x = 81,808.09 × 17,099.06
  4. Step 4: Simplify right side
    54,538.83x = 1,398,841,439.40
  5. Step 5: Solve for x
    x = 1,398,841,439.40/54,538.83
  6. Step 6: Final answer
    x = 25,648.54

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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.