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Finding the Fourth Proportional to 16,612.28, 24,921.82 and 6,751.54

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Solution

The fourth proportional to 16,612.28, 24,921.82 and 6,751.54 is: 10,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.28 : 24,921.82 = 6,751.54 : x
  2. Step 2: Convert to fraction form
    16,612.28/24,921.82 = 6,751.54/x
  3. Step 3: Cross multiply
    16,612.28x = 24,921.82 × 6,751.54
  4. Step 4: Simplify right side
    16,612.28x = 168,260,664.60
  5. Step 5: Solve for x
    x = 168,260,664.60/16,612.28
  6. Step 6: Final answer
    x = 10,128.69

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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.