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Finding the Fourth Proportional to 18,370.58, 27,554.87 and 10,776.08

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Solution

The fourth proportional to 18,370.58, 27,554.87 and 10,776.08 is: 16,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.58 : 27,554.87 = 10,776.08 : x
  2. Step 2: Convert to fraction form
    18,370.58/27,554.87 = 10,776.08/x
  3. Step 3: Cross multiply
    18,370.58x = 27,554.87 × 10,776.08
  4. Step 4: Simplify right side
    18,370.58x = 296,933,579.34
  5. Step 5: Solve for x
    x = 296,933,579.34/18,370.58
  6. Step 6: Final answer
    x = 16,163.54

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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.