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Finding the Fourth Proportional to 6,379,462.08, 8,803,870.20 and 3,479,011.20

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Solution

The fourth proportional to 6,379,462.08, 8,803,870.20 and 3,479,011.20 is: 4,801,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,462.08 : 8,803,870.20 = 3,479,011.20 : x
  2. Step 2: Convert to fraction form
    6,379,462.08/8,803,870.20 = 3,479,011.20/x
  3. Step 3: Cross multiply
    6,379,462.08x = 8,803,870.20 × 3,479,011.20
  4. Step 4: Simplify right side
    6,379,462.08x = 30,628,763,029,146.24
  5. Step 5: Solve for x
    x = 30,628,763,029,146.24/6,379,462.08
  6. Step 6: Final answer
    x = 4,801,151.36

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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.