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Finding the Fourth Proportional to 16,805.28, 23,192.28 and 9,734.16

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Solution

The fourth proportional to 16,805.28, 23,192.28 and 9,734.16 is: 13,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.28 : 23,192.28 = 9,734.16 : x
  2. Step 2: Convert to fraction form
    16,805.28/23,192.28 = 9,734.16/x
  3. Step 3: Cross multiply
    16,805.28x = 23,192.28 × 9,734.16
  4. Step 4: Simplify right side
    16,805.28x = 225,757,364.28
  5. Step 5: Solve for x
    x = 225,757,364.28/16,805.28
  6. Step 6: Final answer
    x = 13,433.72

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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.