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Finding the Fourth Proportional to 8,202,368.80, 12,299,866.80 and 3,152,000.80

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Solution

The fourth proportional to 8,202,368.80, 12,299,866.80 and 3,152,000.80 is: 4,726,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,368.80 : 12,299,866.80 = 3,152,000.80 : x
  2. Step 2: Convert to fraction form
    8,202,368.80/12,299,866.80 = 3,152,000.80/x
  3. Step 3: Cross multiply
    8,202,368.80x = 12,299,866.80 × 3,152,000.80
  4. Step 4: Simplify right side
    8,202,368.80x = 38,769,189,993,493.44
  5. Step 5: Solve for x
    x = 38,769,189,993,493.44/8,202,368.80
  6. Step 6: Final answer
    x = 4,726,584.59

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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.