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Finding the Fourth Proportional to 17,679,584.40, 26,505,379.80 and 9,701,408.40

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Solution

The fourth proportional to 17,679,584.40, 26,505,379.80 and 9,701,408.40 is: 14,544,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679,584.40 : 26,505,379.80 = 9,701,408.40 : x
  2. Step 2: Convert to fraction form
    17,679,584.40/26,505,379.80 = 9,701,408.40/x
  3. Step 3: Cross multiply
    17,679,584.40x = 26,505,379.80 × 9,701,408.40
  4. Step 4: Simplify right side
    17,679,584.40x = 257,139,514,236,910.34
  5. Step 5: Solve for x
    x = 257,139,514,236,910.34/17,679,584.40
  6. Step 6: Final answer
    x = 14,544,432.06

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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.