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Finding the Fourth Proportional to 6,601,613.96, 9,904,763.76 and 2,958,057.38

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Solution

The fourth proportional to 6,601,613.96, 9,904,763.76 and 2,958,057.38 is: 4,438,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601,613.96 : 9,904,763.76 = 2,958,057.38 : x
  2. Step 2: Convert to fraction form
    6,601,613.96/9,904,763.76 = 2,958,057.38/x
  3. Step 3: Cross multiply
    6,601,613.96x = 9,904,763.76 × 2,958,057.38
  4. Step 4: Simplify right side
    6,601,613.96x = 29,298,859,537,424.55
  5. Step 5: Solve for x
    x = 29,298,859,537,424.55/6,601,613.96
  6. Step 6: Final answer
    x = 4,438,135.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.