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Finding the Fourth Proportional to 6,758,596.80, 10,119,232.80 and 5,265,604.80

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Solution

The fourth proportional to 6,758,596.80, 10,119,232.80 and 5,265,604.80 is: 7,883,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758,596.80 : 10,119,232.80 = 5,265,604.80 : x
  2. Step 2: Convert to fraction form
    6,758,596.80/10,119,232.80 = 5,265,604.80/x
  3. Step 3: Cross multiply
    6,758,596.80x = 10,119,232.80 × 5,265,604.80
  4. Step 4: Simplify right side
    6,758,596.80x = 53,283,880,803,997.45
  5. Step 5: Solve for x
    x = 53,283,880,803,997.45/6,758,596.80
  6. Step 6: Final answer
    x = 7,883,867.37

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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.