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Finding the Fourth Proportional to 16,773.78, 25,180.11 and 8,997.78

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Solution

The fourth proportional to 16,773.78, 25,180.11 and 8,997.78 is: 13,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.78 : 25,180.11 = 8,997.78 : x
  2. Step 2: Convert to fraction form
    16,773.78/25,180.11 = 8,997.78/x
  3. Step 3: Cross multiply
    16,773.78x = 25,180.11 × 8,997.78
  4. Step 4: Simplify right side
    16,773.78x = 226,565,090.16
  5. Step 5: Solve for x
    x = 226,565,090.16/16,773.78
  6. Step 6: Final answer
    x = 13,507.10

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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.