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Finding the Fourth Proportional to 6,446,053.74, 8,895,722.48 and 3,545,520.75

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Solution

The fourth proportional to 6,446,053.74, 8,895,722.48 and 3,545,520.75 is: 4,892,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,053.74 : 8,895,722.48 = 3,545,520.75 : x
  2. Step 2: Convert to fraction form
    6,446,053.74/8,895,722.48 = 3,545,520.75/x
  3. Step 3: Cross multiply
    6,446,053.74x = 8,895,722.48 × 3,545,520.75
  4. Step 4: Simplify right side
    6,446,053.74x = 31,539,968,621,353.86
  5. Step 5: Solve for x
    x = 31,539,968,621,353.86/6,446,053.74
  6. Step 6: Final answer
    x = 4,892,911.21

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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.