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Finding the Fourth Proportional to 25,773.70, 35,575.60 and 15,021.76

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Solution

The fourth proportional to 25,773.70, 35,575.60 and 15,021.76 is: 20,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.70 : 35,575.60 = 15,021.76 : x
  2. Step 2: Convert to fraction form
    25,773.70/35,575.60 = 15,021.76/x
  3. Step 3: Cross multiply
    25,773.70x = 35,575.60 × 15,021.76
  4. Step 4: Simplify right side
    25,773.70x = 534,408,125.06
  5. Step 5: Solve for x
    x = 534,408,125.06/25,773.70
  6. Step 6: Final answer
    x = 20,734.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.