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Finding the Fourth Proportional to 20,552.33, 30,827.39 and 11,251.10

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Solution

The fourth proportional to 20,552.33, 30,827.39 and 11,251.10 is: 16,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.33 : 30,827.39 = 11,251.10 : x
  2. Step 2: Convert to fraction form
    20,552.33/30,827.39 = 11,251.10/x
  3. Step 3: Cross multiply
    20,552.33x = 30,827.39 × 11,251.10
  4. Step 4: Simplify right side
    20,552.33x = 346,842,068.44
  5. Step 5: Solve for x
    x = 346,842,068.44/20,552.33
  6. Step 6: Final answer
    x = 16,876.04

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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.