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Finding the Fourth Proportional to 18,046.55, 27,069.82 and 8,804.63

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Solution

The fourth proportional to 18,046.55, 27,069.82 and 8,804.63 is: 13,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.55 : 27,069.82 = 8,804.63 : x
  2. Step 2: Convert to fraction form
    18,046.55/27,069.82 = 8,804.63/x
  3. Step 3: Cross multiply
    18,046.55x = 27,069.82 × 8,804.63
  4. Step 4: Simplify right side
    18,046.55x = 238,339,591.91
  5. Step 5: Solve for x
    x = 238,339,591.91/18,046.55
  6. Step 6: Final answer
    x = 13,206.94

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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.