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Finding the Fourth Proportional to 18,063.55, 27,095.73 and 8,201.98

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Solution

The fourth proportional to 18,063.55, 27,095.73 and 8,201.98 is: 12,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.55 : 27,095.73 = 8,201.98 : x
  2. Step 2: Convert to fraction form
    18,063.55/27,095.73 = 8,201.98/x
  3. Step 3: Cross multiply
    18,063.55x = 27,095.73 × 8,201.98
  4. Step 4: Simplify right side
    18,063.55x = 222,238,635.55
  5. Step 5: Solve for x
    x = 222,238,635.55/18,063.55
  6. Step 6: Final answer
    x = 12,303.15

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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.