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Finding the Fourth Proportional to 25,699.28, 35,470.94 and 16,731.16

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Solution

The fourth proportional to 25,699.28, 35,470.94 and 16,731.16 is: 23,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.28 : 35,470.94 = 16,731.16 : x
  2. Step 2: Convert to fraction form
    25,699.28/35,470.94 = 16,731.16/x
  3. Step 3: Cross multiply
    25,699.28x = 35,470.94 × 16,731.16
  4. Step 4: Simplify right side
    25,699.28x = 593,469,972.49
  5. Step 5: Solve for x
    x = 593,469,972.49/25,699.28
  6. Step 6: Final answer
    x = 23,092.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.