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Finding the Fourth Proportional to 18,027, 24,875.55 and 11,310.48

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Solution

The fourth proportional to 18,027, 24,875.55 and 11,310.48 is: 15,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027 : 24,875.55 = 11,310.48 : x
  2. Step 2: Convert to fraction form
    18,027/24,875.55 = 11,310.48/x
  3. Step 3: Cross multiply
    18,027x = 24,875.55 × 11,310.48
  4. Step 4: Simplify right side
    18,027x = 281,354,410.76
  5. Step 5: Solve for x
    x = 281,354,410.76/18,027
  6. Step 6: Final answer
    x = 15,607.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.