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Finding the Fourth Proportional to 15,374.76, 23,039.82 and 8,348.82

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Solution

The fourth proportional to 15,374.76, 23,039.82 and 8,348.82 is: 12,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.76 : 23,039.82 = 8,348.82 : x
  2. Step 2: Convert to fraction form
    15,374.76/23,039.82 = 8,348.82/x
  3. Step 3: Cross multiply
    15,374.76x = 23,039.82 × 8,348.82
  4. Step 4: Simplify right side
    15,374.76x = 192,355,310.01
  5. Step 5: Solve for x
    x = 192,355,310.01/15,374.76
  6. Step 6: Final answer
    x = 12,511.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.