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Finding the Fourth Proportional to 11,894.64, 17,835.72 and 4,101.66

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Solution

The fourth proportional to 11,894.64, 17,835.72 and 4,101.66 is: 6,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.64 : 17,835.72 = 4,101.66 : x
  2. Step 2: Convert to fraction form
    11,894.64/17,835.72 = 4,101.66/x
  3. Step 3: Cross multiply
    11,894.64x = 17,835.72 × 4,101.66
  4. Step 4: Simplify right side
    11,894.64x = 73,156,059.30
  5. Step 5: Solve for x
    x = 73,156,059.30/11,894.64
  6. Step 6: Final answer
    x = 6,150.34

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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.