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Finding the Fourth Proportional to 16,795,912.80, 25,175,206.80 and 9,228,309.60

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Solution

The fourth proportional to 16,795,912.80, 25,175,206.80 and 9,228,309.60 is: 13,832,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,795,912.80 : 25,175,206.80 = 9,228,309.60 : x
  2. Step 2: Convert to fraction form
    16,795,912.80/25,175,206.80 = 9,228,309.60/x
  3. Step 3: Cross multiply
    16,795,912.80x = 25,175,206.80 × 9,228,309.60
  4. Step 4: Simplify right side
    16,795,912.80x = 232,324,602,594,425.28
  5. Step 5: Solve for x
    x = 232,324,602,594,425.28/16,795,912.80
  6. Step 6: Final answer
    x = 13,832,210.57

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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.