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Finding the Fourth Proportional to 31,452.77, 47,143.39 and 16,436.74

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Solution

The fourth proportional to 31,452.77, 47,143.39 and 16,436.74 is: 24,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.77 : 47,143.39 = 16,436.74 : x
  2. Step 2: Convert to fraction form
    31,452.77/47,143.39 = 16,436.74/x
  3. Step 3: Cross multiply
    31,452.77x = 47,143.39 × 16,436.74
  4. Step 4: Simplify right side
    31,452.77x = 774,883,485.20
  5. Step 5: Solve for x
    x = 774,883,485.20/31,452.77
  6. Step 6: Final answer
    x = 24,636.41

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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.