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Finding the Fourth Proportional to 20,060.68, 27,687 and 19,174.82

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Solution

The fourth proportional to 20,060.68, 27,687 and 19,174.82 is: 26,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.68 : 27,687 = 19,174.82 : x
  2. Step 2: Convert to fraction form
    20,060.68/27,687 = 19,174.82/x
  3. Step 3: Cross multiply
    20,060.68x = 27,687 × 19,174.82
  4. Step 4: Simplify right side
    20,060.68x = 530,893,241.34
  5. Step 5: Solve for x
    x = 530,893,241.34/20,060.68
  6. Step 6: Final answer
    x = 26,464.37

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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.