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Finding the Fourth Proportional to 11,827.40, 17,741.10 and 11,251.40

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Solution

The fourth proportional to 11,827.40, 17,741.10 and 11,251.40 is: 16,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.40 : 17,741.10 = 11,251.40 : x
  2. Step 2: Convert to fraction form
    11,827.40/17,741.10 = 11,251.40/x
  3. Step 3: Cross multiply
    11,827.40x = 17,741.10 × 11,251.40
  4. Step 4: Simplify right side
    11,827.40x = 199,612,212.54
  5. Step 5: Solve for x
    x = 199,612,212.54/11,827.40
  6. Step 6: Final answer
    x = 16,877.10

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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.