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Finding the Fourth Proportional to 44,714.97, 67,103.17 and 18,419.67

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Solution

The fourth proportional to 44,714.97, 67,103.17 and 18,419.67 is: 27,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,714.97 : 67,103.17 = 18,419.67 : x
  2. Step 2: Convert to fraction form
    44,714.97/67,103.17 = 18,419.67/x
  3. Step 3: Cross multiply
    44,714.97x = 67,103.17 × 18,419.67
  4. Step 4: Simplify right side
    44,714.97x = 1,236,018,201.30
  5. Step 5: Solve for x
    x = 1,236,018,201.30/44,714.97
  6. Step 6: Final answer
    x = 27,642.16

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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.