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Finding the Fourth Proportional to 6,873,003.30, 10,309,504.95 and 6,831,012.90

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Solution

The fourth proportional to 6,873,003.30, 10,309,504.95 and 6,831,012.90 is: 10,246,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873,003.30 : 10,309,504.95 = 6,831,012.90 : x
  2. Step 2: Convert to fraction form
    6,873,003.30/10,309,504.95 = 6,831,012.90/x
  3. Step 3: Cross multiply
    6,873,003.30x = 10,309,504.95 × 6,831,012.90
  4. Step 4: Simplify right side
    6,873,003.30x = 70,424,361,306,063.86
  5. Step 5: Solve for x
    x = 70,424,361,306,063.86/6,873,003.30
  6. Step 6: Final answer
    x = 10,246,519.35

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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.