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Finding the Fourth Proportional to 11,364.76, 17,048.05 and 3,969.05

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Solution

The fourth proportional to 11,364.76, 17,048.05 and 3,969.05 is: 5,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.76 : 17,048.05 = 3,969.05 : x
  2. Step 2: Convert to fraction form
    11,364.76/17,048.05 = 3,969.05/x
  3. Step 3: Cross multiply
    11,364.76x = 17,048.05 × 3,969.05
  4. Step 4: Simplify right side
    11,364.76x = 67,664,595.55
  5. Step 5: Solve for x
    x = 67,664,595.55/11,364.76
  6. Step 6: Final answer
    x = 5,953.90

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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.