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Finding the Fourth Proportional to 17,956,684.80, 26,935,027.20 and 4,493,491.20

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Solution

The fourth proportional to 17,956,684.80, 26,935,027.20 and 4,493,491.20 is: 6,740,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956,684.80 : 26,935,027.20 = 4,493,491.20 : x
  2. Step 2: Convert to fraction form
    17,956,684.80/26,935,027.20 = 4,493,491.20/x
  3. Step 3: Cross multiply
    17,956,684.80x = 26,935,027.20 × 4,493,491.20
  4. Step 4: Simplify right side
    17,956,684.80x = 121,032,307,694,960.64
  5. Step 5: Solve for x
    x = 121,032,307,694,960.64/17,956,684.80
  6. Step 6: Final answer
    x = 6,740,236.80

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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.