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Finding the Fourth Proportional to 17,959.56, 26,955.95 and 9,081.15

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Solution

The fourth proportional to 17,959.56, 26,955.95 and 9,081.15 is: 13,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.56 : 26,955.95 = 9,081.15 : x
  2. Step 2: Convert to fraction form
    17,959.56/26,955.95 = 9,081.15/x
  3. Step 3: Cross multiply
    17,959.56x = 26,955.95 × 9,081.15
  4. Step 4: Simplify right side
    17,959.56x = 244,790,878.85
  5. Step 5: Solve for x
    x = 244,790,878.85/17,959.56
  6. Step 6: Final answer
    x = 13,630.12

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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.