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Finding the Fourth Proportional to 6,572,821.53, 9,070,326.30 and 3,672,234.11

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Solution

The fourth proportional to 6,572,821.53, 9,070,326.30 and 3,672,234.11 is: 5,067,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572,821.53 : 9,070,326.30 = 3,672,234.11 : x
  2. Step 2: Convert to fraction form
    6,572,821.53/9,070,326.30 = 3,672,234.11/x
  3. Step 3: Cross multiply
    6,572,821.53x = 9,070,326.30 × 3,672,234.11
  4. Step 4: Simplify right side
    6,572,821.53x = 33,308,361,627,690.09
  5. Step 5: Solve for x
    x = 33,308,361,627,690.09/6,572,821.53
  6. Step 6: Final answer
    x = 5,067,589.54

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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.