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Finding the Fourth Proportional to 8,508.90, 11,741.48 and 4,923.27

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Solution

The fourth proportional to 8,508.90, 11,741.48 and 4,923.27 is: 6,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.90 : 11,741.48 = 4,923.27 : x
  2. Step 2: Convert to fraction form
    8,508.90/11,741.48 = 4,923.27/x
  3. Step 3: Cross multiply
    8,508.90x = 11,741.48 × 4,923.27
  4. Step 4: Simplify right side
    8,508.90x = 57,806,451.62
  5. Step 5: Solve for x
    x = 57,806,451.62/8,508.90
  6. Step 6: Final answer
    x = 6,793.65

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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.