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Finding the Fourth Proportional to 17,768.10, 26,652.15 and 11,207.10

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Solution

The fourth proportional to 17,768.10, 26,652.15 and 11,207.10 is: 16,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.10 : 26,652.15 = 11,207.10 : x
  2. Step 2: Convert to fraction form
    17,768.10/26,652.15 = 11,207.10/x
  3. Step 3: Cross multiply
    17,768.10x = 26,652.15 × 11,207.10
  4. Step 4: Simplify right side
    17,768.10x = 298,693,310.27
  5. Step 5: Solve for x
    x = 298,693,310.27/17,768.10
  6. Step 6: Final answer
    x = 16,810.65

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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.