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Finding the Fourth Proportional to 16,957.92, 25,441.44 and 7,092

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Solution

The fourth proportional to 16,957.92, 25,441.44 and 7,092 is: 10,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.92 : 25,441.44 = 7,092 : x
  2. Step 2: Convert to fraction form
    16,957.92/25,441.44 = 7,092/x
  3. Step 3: Cross multiply
    16,957.92x = 25,441.44 × 7,092
  4. Step 4: Simplify right side
    16,957.92x = 180,430,692.48
  5. Step 5: Solve for x
    x = 180,430,692.48/16,957.92
  6. Step 6: Final answer
    x = 10,639.91

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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.