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Finding the Fourth Proportional to 18,059.52, 27,085.18 and 8,694.75

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Solution

The fourth proportional to 18,059.52, 27,085.18 and 8,694.75 is: 13,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.52 : 27,085.18 = 8,694.75 : x
  2. Step 2: Convert to fraction form
    18,059.52/27,085.18 = 8,694.75/x
  3. Step 3: Cross multiply
    18,059.52x = 27,085.18 × 8,694.75
  4. Step 4: Simplify right side
    18,059.52x = 235,498,868.81
  5. Step 5: Solve for x
    x = 235,498,868.81/18,059.52
  6. Step 6: Final answer
    x = 13,040.15

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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.