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Finding the Fourth Proportional to 15,672,856.80, 23,473,855.80 and 9,295,564.80

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Solution

The fourth proportional to 15,672,856.80, 23,473,855.80 and 9,295,564.80 is: 13,922,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,856.80 : 23,473,855.80 = 9,295,564.80 : x
  2. Step 2: Convert to fraction form
    15,672,856.80/23,473,855.80 = 9,295,564.80/x
  3. Step 3: Cross multiply
    15,672,856.80x = 23,473,855.80 × 9,295,564.80
  4. Step 4: Simplify right side
    15,672,856.80x = 218,202,747,694,755.88
  5. Step 5: Solve for x
    x = 218,202,747,694,755.88/15,672,856.80
  6. Step 6: Final answer
    x = 13,922,334.04

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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.