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Finding the Fourth Proportional to 6,137,163.87, 8,472,914.73 and 5,456,215.50

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Solution

The fourth proportional to 6,137,163.87, 8,472,914.73 and 5,456,215.50 is: 7,532,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137,163.87 : 8,472,914.73 = 5,456,215.50 : x
  2. Step 2: Convert to fraction form
    6,137,163.87/8,472,914.73 = 5,456,215.50/x
  3. Step 3: Cross multiply
    6,137,163.87x = 8,472,914.73 × 5,456,215.50
  4. Step 4: Simplify right side
    6,137,163.87x = 46,230,048,680,004.32
  5. Step 5: Solve for x
    x = 46,230,048,680,004.32/6,137,163.87
  6. Step 6: Final answer
    x = 7,532,803.37

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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.