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Finding the Fourth Proportional to 18,460.20, 27,682.20 and 7,363.20

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Solution

The fourth proportional to 18,460.20, 27,682.20 and 7,363.20 is: 11,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.20 : 27,682.20 = 7,363.20 : x
  2. Step 2: Convert to fraction form
    18,460.20/27,682.20 = 7,363.20/x
  3. Step 3: Cross multiply
    18,460.20x = 27,682.20 × 7,363.20
  4. Step 4: Simplify right side
    18,460.20x = 203,829,575.04
  5. Step 5: Solve for x
    x = 203,829,575.04/18,460.20
  6. Step 6: Final answer
    x = 11,041.57

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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.