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Finding the Fourth Proportional to 28,295.58, 42,433.34 and 8,299.52

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Solution

The fourth proportional to 28,295.58, 42,433.34 and 8,299.52 is: 12,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.58 : 42,433.34 = 8,299.52 : x
  2. Step 2: Convert to fraction form
    28,295.58/42,433.34 = 8,299.52/x
  3. Step 3: Cross multiply
    28,295.58x = 42,433.34 × 8,299.52
  4. Step 4: Simplify right side
    28,295.58x = 352,176,100.33
  5. Step 5: Solve for x
    x = 352,176,100.33/28,295.58
  6. Step 6: Final answer
    x = 12,446.33

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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.