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Finding the Fourth Proportional to 16,957.27, 25,436 and 5,270.50

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Solution

The fourth proportional to 16,957.27, 25,436 and 5,270.50 is: 7,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.27 : 25,436 = 5,270.50 : x
  2. Step 2: Convert to fraction form
    16,957.27/25,436 = 5,270.50/x
  3. Step 3: Cross multiply
    16,957.27x = 25,436 × 5,270.50
  4. Step 4: Simplify right side
    16,957.27x = 134,060,438
  5. Step 5: Solve for x
    x = 134,060,438/16,957.27
  6. Step 6: Final answer
    x = 7,905.78

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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.