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Finding the Fourth Proportional to 19,375.96, 29,057.24 and 7,526.94

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Solution

The fourth proportional to 19,375.96, 29,057.24 and 7,526.94 is: 11,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.96 : 29,057.24 = 7,526.94 : x
  2. Step 2: Convert to fraction form
    19,375.96/29,057.24 = 7,526.94/x
  3. Step 3: Cross multiply
    19,375.96x = 29,057.24 × 7,526.94
  4. Step 4: Simplify right side
    19,375.96x = 218,712,120.86
  5. Step 5: Solve for x
    x = 218,712,120.86/19,375.96
  6. Step 6: Final answer
    x = 11,287.81

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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.