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Finding the Fourth Proportional to 5,324,558.70, 7,986,838.05 and 5,324,558.70

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Solution

The fourth proportional to 5,324,558.70, 7,986,838.05 and 5,324,558.70 is: 7,986,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324,558.70 : 7,986,838.05 = 5,324,558.70 : x
  2. Step 2: Convert to fraction form
    5,324,558.70/7,986,838.05 = 5,324,558.70/x
  3. Step 3: Cross multiply
    5,324,558.70x = 7,986,838.05 × 5,324,558.70
  4. Step 4: Simplify right side
    5,324,558.70x = 42,526,388,024,618.54
  5. Step 5: Solve for x
    x = 42,526,388,024,618.54/5,324,558.70
  6. Step 6: Final answer
    x = 7,986,838.05

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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.