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Finding the Fourth Proportional to 6,583,816.80, 9,859,978.80 and 5,324,104.80

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Solution

The fourth proportional to 6,583,816.80, 9,859,978.80 and 5,324,104.80 is: 7,973,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,583,816.80 : 9,859,978.80 = 5,324,104.80 : x
  2. Step 2: Convert to fraction form
    6,583,816.80/9,859,978.80 = 5,324,104.80/x
  3. Step 3: Cross multiply
    6,583,816.80x = 9,859,978.80 × 5,324,104.80
  4. Step 4: Simplify right side
    6,583,816.80x = 52,495,560,456,978.24
  5. Step 5: Solve for x
    x = 52,495,560,456,978.24/6,583,816.80
  6. Step 6: Final answer
    x = 7,973,423.63

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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.