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Finding the Fourth Proportional to 6,392,379.02, 8,821,482.68 and 3,452,195.86

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Solution

The fourth proportional to 6,392,379.02, 8,821,482.68 and 3,452,195.86 is: 4,764,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,379.02 : 8,821,482.68 = 3,452,195.86 : x
  2. Step 2: Convert to fraction form
    6,392,379.02/8,821,482.68 = 3,452,195.86/x
  3. Step 3: Cross multiply
    6,392,379.02x = 8,821,482.68 × 3,452,195.86
  4. Step 4: Simplify right side
    6,392,379.02x = 30,453,485,973,534.48
  5. Step 5: Solve for x
    x = 30,453,485,973,534.48/6,392,379.02
  6. Step 6: Final answer
    x = 4,764,030.09

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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.