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Finding the Fourth Proportional to 6,751,992.30, 9,317,748.65 and 3,654,515.15

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Solution

The fourth proportional to 6,751,992.30, 9,317,748.65 and 3,654,515.15 is: 5,043,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751,992.30 : 9,317,748.65 = 3,654,515.15 : x
  2. Step 2: Convert to fraction form
    6,751,992.30/9,317,748.65 = 3,654,515.15/x
  3. Step 3: Cross multiply
    6,751,992.30x = 9,317,748.65 × 3,654,515.15
  4. Step 4: Simplify right side
    6,751,992.30x = 34,051,853,605,317.05
  5. Step 5: Solve for x
    x = 34,051,853,605,317.05/6,751,992.30
  6. Step 6: Final answer
    x = 5,043,230.52

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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.