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Finding the Fourth Proportional to 18,511.94, 27,770.08 and 18,511.94

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Solution

The fourth proportional to 18,511.94, 27,770.08 and 18,511.94 is: 27,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.94 : 27,770.08 = 18,511.94 : x
  2. Step 2: Convert to fraction form
    18,511.94/27,770.08 = 18,511.94/x
  3. Step 3: Cross multiply
    18,511.94x = 27,770.08 × 18,511.94
  4. Step 4: Simplify right side
    18,511.94x = 514,078,054.76
  5. Step 5: Solve for x
    x = 514,078,054.76/18,511.94
  6. Step 6: Final answer
    x = 27,770.08

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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.