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Finding the Fourth Proportional to 18,539.82, 27,813.95 and 6,059.68

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Solution

The fourth proportional to 18,539.82, 27,813.95 and 6,059.68 is: 9,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.82 : 27,813.95 = 6,059.68 : x
  2. Step 2: Convert to fraction form
    18,539.82/27,813.95 = 6,059.68/x
  3. Step 3: Cross multiply
    18,539.82x = 27,813.95 × 6,059.68
  4. Step 4: Simplify right side
    18,539.82x = 168,543,636.54
  5. Step 5: Solve for x
    x = 168,543,636.54/18,539.82
  6. Step 6: Final answer
    x = 9,090.90

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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.