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Finding the Fourth Proportional to 6,296,404.80, 9,428,860.80 and 5,036,692.80

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Solution

The fourth proportional to 6,296,404.80, 9,428,860.80 and 5,036,692.80 is: 7,542,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296,404.80 : 9,428,860.80 = 5,036,692.80 : x
  2. Step 2: Convert to fraction form
    6,296,404.80/9,428,860.80 = 5,036,692.80/x
  3. Step 3: Cross multiply
    6,296,404.80x = 9,428,860.80 × 5,036,692.80
  4. Step 4: Simplify right side
    6,296,404.80x = 47,490,275,303,562.24
  5. Step 5: Solve for x
    x = 47,490,275,303,562.24/6,296,404.80
  6. Step 6: Final answer
    x = 7,542,443.16

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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.