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Finding the Fourth Proportional to 35,914.86, 53,859.33 and 15,139.98

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Solution

The fourth proportional to 35,914.86, 53,859.33 and 15,139.98 is: 22,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.86 : 53,859.33 = 15,139.98 : x
  2. Step 2: Convert to fraction form
    35,914.86/53,859.33 = 15,139.98/x
  3. Step 3: Cross multiply
    35,914.86x = 53,859.33 × 15,139.98
  4. Step 4: Simplify right side
    35,914.86x = 815,429,179.01
  5. Step 5: Solve for x
    x = 815,429,179.01/35,914.86
  6. Step 6: Final answer
    x = 22,704.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.