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Finding the Fourth Proportional to 11,307.01, 16,955.01 and 3,908.86

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Solution

The fourth proportional to 11,307.01, 16,955.01 and 3,908.86 is: 5,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.01 : 16,955.01 = 3,908.86 : x
  2. Step 2: Convert to fraction form
    11,307.01/16,955.01 = 3,908.86/x
  3. Step 3: Cross multiply
    11,307.01x = 16,955.01 × 3,908.86
  4. Step 4: Simplify right side
    11,307.01x = 66,274,760.39
  5. Step 5: Solve for x
    x = 66,274,760.39/11,307.01
  6. Step 6: Final answer
    x = 5,861.39

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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.