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Finding the Fourth Proportional to 11,874.67, 16,394.51 and 7,627.45

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Solution

The fourth proportional to 11,874.67, 16,394.51 and 7,627.45 is: 10,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.67 : 16,394.51 = 7,627.45 : x
  2. Step 2: Convert to fraction form
    11,874.67/16,394.51 = 7,627.45/x
  3. Step 3: Cross multiply
    11,874.67x = 16,394.51 × 7,627.45
  4. Step 4: Simplify right side
    11,874.67x = 125,048,305.30
  5. Step 5: Solve for x
    x = 125,048,305.30/11,874.67
  6. Step 6: Final answer
    x = 10,530.68

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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.