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Finding the Fourth Proportional to 19,892.20, 29,795.10 and 16,004.20

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Solution

The fourth proportional to 19,892.20, 29,795.10 and 16,004.20 is: 23,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.20 : 29,795.10 = 16,004.20 : x
  2. Step 2: Convert to fraction form
    19,892.20/29,795.10 = 16,004.20/x
  3. Step 3: Cross multiply
    19,892.20x = 29,795.10 × 16,004.20
  4. Step 4: Simplify right side
    19,892.20x = 476,846,739.42
  5. Step 5: Solve for x
    x = 476,846,739.42/19,892.20
  6. Step 6: Final answer
    x = 23,971.54

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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.