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Finding the Fourth Proportional to 18,235.56, 27,363.06 and 7,846.68

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Solution

The fourth proportional to 18,235.56, 27,363.06 and 7,846.68 is: 11,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.56 : 27,363.06 = 7,846.68 : x
  2. Step 2: Convert to fraction form
    18,235.56/27,363.06 = 7,846.68/x
  3. Step 3: Cross multiply
    18,235.56x = 27,363.06 × 7,846.68
  4. Step 4: Simplify right side
    18,235.56x = 214,709,175.64
  5. Step 5: Solve for x
    x = 214,709,175.64/18,235.56
  6. Step 6: Final answer
    x = 11,774.20

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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.