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Finding the Fourth Proportional to 16,957.28, 25,292.84 and 15,981.84

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Solution

The fourth proportional to 16,957.28, 25,292.84 and 15,981.84 is: 23,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.28 : 25,292.84 = 15,981.84 : x
  2. Step 2: Convert to fraction form
    16,957.28/25,292.84 = 15,981.84/x
  3. Step 3: Cross multiply
    16,957.28x = 25,292.84 × 15,981.84
  4. Step 4: Simplify right side
    16,957.28x = 404,226,122.03
  5. Step 5: Solve for x
    x = 404,226,122.03/16,957.28
  6. Step 6: Final answer
    x = 23,837.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.