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Finding the Fourth Proportional to 8,632,229.22, 11,912,477.49 and 4,764,751.20

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Solution

The fourth proportional to 8,632,229.22, 11,912,477.49 and 4,764,751.20 is: 6,575,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,229.22 : 11,912,477.49 = 4,764,751.20 : x
  2. Step 2: Convert to fraction form
    8,632,229.22/11,912,477.49 = 4,764,751.20/x
  3. Step 3: Cross multiply
    8,632,229.22x = 11,912,477.49 × 4,764,751.20
  4. Step 4: Simplify right side
    8,632,229.22x = 56,759,991,415,450.49
  5. Step 5: Solve for x
    x = 56,759,991,415,450.49/8,632,229.22
  6. Step 6: Final answer
    x = 6,575,357.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.