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Finding the Fourth Proportional to 5,246,514.72, 7,869,771.56 and 2,049,398.88

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Solution

The fourth proportional to 5,246,514.72, 7,869,771.56 and 2,049,398.88 is: 3,074,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,514.72 : 7,869,771.56 = 2,049,398.88 : x
  2. Step 2: Convert to fraction form
    5,246,514.72/7,869,771.56 = 2,049,398.88/x
  3. Step 3: Cross multiply
    5,246,514.72x = 7,869,771.56 × 2,049,398.88
  4. Step 4: Simplify right side
    5,246,514.72x = 16,128,301,010,672.86
  5. Step 5: Solve for x
    x = 16,128,301,010,672.86/5,246,514.72
  6. Step 6: Final answer
    x = 3,074,098.11

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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.