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Finding the Fourth Proportional to 54,551.34, 81,826.92 and 17,615.34

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Solution

The fourth proportional to 54,551.34, 81,826.92 and 17,615.34 is: 26,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551.34 : 81,826.92 = 17,615.34 : x
  2. Step 2: Convert to fraction form
    54,551.34/81,826.92 = 17,615.34/x
  3. Step 3: Cross multiply
    54,551.34x = 81,826.92 × 17,615.34
  4. Step 4: Simplify right side
    54,551.34x = 1,441,409,016.95
  5. Step 5: Solve for x
    x = 1,441,409,016.95/54,551.34
  6. Step 6: Final answer
    x = 26,422.98

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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.