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Finding the Fourth Proportional to 19,777.96, 29,625.90 and 19,097.56

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Solution

The fourth proportional to 19,777.96, 29,625.90 and 19,097.56 is: 28,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.96 : 29,625.90 = 19,097.56 : x
  2. Step 2: Convert to fraction form
    19,777.96/29,625.90 = 19,097.56/x
  3. Step 3: Cross multiply
    19,777.96x = 29,625.90 × 19,097.56
  4. Step 4: Simplify right side
    19,777.96x = 565,782,402.80
  5. Step 5: Solve for x
    x = 565,782,402.80/19,777.96
  6. Step 6: Final answer
    x = 28,606.71

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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.