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Finding the Fourth Proportional to 16,822.28, 25,238.28 and 6,959.72

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Solution

The fourth proportional to 16,822.28, 25,238.28 and 6,959.72 is: 10,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.28 : 25,238.28 = 6,959.72 : x
  2. Step 2: Convert to fraction form
    16,822.28/25,238.28 = 6,959.72/x
  3. Step 3: Cross multiply
    16,822.28x = 25,238.28 × 6,959.72
  4. Step 4: Simplify right side
    16,822.28x = 175,651,362.08
  5. Step 5: Solve for x
    x = 175,651,362.08/16,822.28
  6. Step 6: Final answer
    x = 10,441.59

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1.5x scale

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.