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Finding the Fourth Proportional to 25,933.32, 38,900.22 and 8,403.12

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Solution

The fourth proportional to 25,933.32, 38,900.22 and 8,403.12 is: 12,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.32 : 38,900.22 = 8,403.12 : x
  2. Step 2: Convert to fraction form
    25,933.32/38,900.22 = 8,403.12/x
  3. Step 3: Cross multiply
    25,933.32x = 38,900.22 × 8,403.12
  4. Step 4: Simplify right side
    25,933.32x = 326,883,216.69
  5. Step 5: Solve for x
    x = 326,883,216.69/25,933.32
  6. Step 6: Final answer
    x = 12,604.76

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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.