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Finding the Fourth Proportional to 8,609.88, 11,881.44 and 5,073.18

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Solution

The fourth proportional to 8,609.88, 11,881.44 and 5,073.18 is: 7,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.88 : 11,881.44 = 5,073.18 : x
  2. Step 2: Convert to fraction form
    8,609.88/11,881.44 = 5,073.18/x
  3. Step 3: Cross multiply
    8,609.88x = 11,881.44 × 5,073.18
  4. Step 4: Simplify right side
    8,609.88x = 60,276,683.78
  5. Step 5: Solve for x
    x = 60,276,683.78/8,609.88
  6. Step 6: Final answer
    x = 7,000.87

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Similar ratio
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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.