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Finding the Fourth Proportional to 16,275.80, 24,415.50 and 5,179.92

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Solution

The fourth proportional to 16,275.80, 24,415.50 and 5,179.92 is: 7,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,275.80 : 24,415.50 = 5,179.92 : x
  2. Step 2: Convert to fraction form
    16,275.80/24,415.50 = 5,179.92/x
  3. Step 3: Cross multiply
    16,275.80x = 24,415.50 × 5,179.92
  4. Step 4: Simplify right side
    16,275.80x = 126,470,214.68
  5. Step 5: Solve for x
    x = 126,470,214.68/16,275.80
  6. Step 6: Final answer
    x = 7,770.45

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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.