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Finding the Fourth Proportional to 8,300,993.80, 12,439,826.70 and 6,598,049.80

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Solution

The fourth proportional to 8,300,993.80, 12,439,826.70 and 6,598,049.80 is: 9,887,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,993.80 : 12,439,826.70 = 6,598,049.80 : x
  2. Step 2: Convert to fraction form
    8,300,993.80/12,439,826.70 = 6,598,049.80/x
  3. Step 3: Cross multiply
    8,300,993.80x = 12,439,826.70 × 6,598,049.80
  4. Step 4: Simplify right side
    8,300,993.80x = 82,078,596,069,969.66
  5. Step 5: Solve for x
    x = 82,078,596,069,969.66/8,300,993.80
  6. Step 6: Final answer
    x = 9,887,803.56

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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.