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Finding the Fourth Proportional to 29,216.92, 40,309.50 and 16,632.76

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Solution

The fourth proportional to 29,216.92, 40,309.50 and 16,632.76 is: 22,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.92 : 40,309.50 = 16,632.76 : x
  2. Step 2: Convert to fraction form
    29,216.92/40,309.50 = 16,632.76/x
  3. Step 3: Cross multiply
    29,216.92x = 40,309.50 × 16,632.76
  4. Step 4: Simplify right side
    29,216.92x = 670,458,239.22
  5. Step 5: Solve for x
    x = 670,458,239.22/29,216.92
  6. Step 6: Final answer
    x = 22,947.60

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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.