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Finding the Fourth Proportional to 11,834,325.20, 17,751,487.80 and 5,457,033.20

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Solution

The fourth proportional to 11,834,325.20, 17,751,487.80 and 5,457,033.20 is: 8,185,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834,325.20 : 17,751,487.80 = 5,457,033.20 : x
  2. Step 2: Convert to fraction form
    11,834,325.20/17,751,487.80 = 5,457,033.20/x
  3. Step 3: Cross multiply
    11,834,325.20x = 17,751,487.80 × 5,457,033.20
  4. Step 4: Simplify right side
    11,834,325.20x = 96,870,458,273,994.97
  5. Step 5: Solve for x
    x = 96,870,458,273,994.97/11,834,325.20
  6. Step 6: Final answer
    x = 8,185,549.80

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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.