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Finding the Fourth Proportional to 18,462.74, 27,697.75 and 6,776.06

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Solution

The fourth proportional to 18,462.74, 27,697.75 and 6,776.06 is: 10,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.74 : 27,697.75 = 6,776.06 : x
  2. Step 2: Convert to fraction form
    18,462.74/27,697.75 = 6,776.06/x
  3. Step 3: Cross multiply
    18,462.74x = 27,697.75 × 6,776.06
  4. Step 4: Simplify right side
    18,462.74x = 187,681,460.44
  5. Step 5: Solve for x
    x = 187,681,460.44/18,462.74
  6. Step 6: Final answer
    x = 10,165.42

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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.