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Finding the Fourth Proportional to 12,523.85, 17,265.11 and 7,741.09

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Solution

The fourth proportional to 12,523.85, 17,265.11 and 7,741.09 is: 10,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.85 : 17,265.11 = 7,741.09 : x
  2. Step 2: Convert to fraction form
    12,523.85/17,265.11 = 7,741.09/x
  3. Step 3: Cross multiply
    12,523.85x = 17,265.11 × 7,741.09
  4. Step 4: Simplify right side
    12,523.85x = 133,650,753.25
  5. Step 5: Solve for x
    x = 133,650,753.25/12,523.85
  6. Step 6: Final answer
    x = 10,671.70

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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.