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Finding the Fourth Proportional to 8,308,848.80, 12,462,351.60 and 6,810,327.20

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Solution

The fourth proportional to 8,308,848.80, 12,462,351.60 and 6,810,327.20 is: 10,214,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,848.80 : 12,462,351.60 = 6,810,327.20 : x
  2. Step 2: Convert to fraction form
    8,308,848.80/12,462,351.60 = 6,810,327.20/x
  3. Step 3: Cross multiply
    8,308,848.80x = 12,462,351.60 × 6,810,327.20
  4. Step 4: Simplify right side
    8,308,848.80x = 84,872,692,077,443.52
  5. Step 5: Solve for x
    x = 84,872,692,077,443.52/8,308,848.80
  6. Step 6: Final answer
    x = 10,214,735.41

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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.