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Finding the Fourth Proportional to 18,234.40, 27,483 and 18,234.40

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Solution

The fourth proportional to 18,234.40, 27,483 and 18,234.40 is: 27,483

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.40 : 27,483 = 18,234.40 : x
  2. Step 2: Convert to fraction form
    18,234.40/27,483 = 18,234.40/x
  3. Step 3: Cross multiply
    18,234.40x = 27,483 × 18,234.40
  4. Step 4: Simplify right side
    18,234.40x = 501,136,015.20
  5. Step 5: Solve for x
    x = 501,136,015.20/18,234.40
  6. Step 6: Final answer
    x = 27,483

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.