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Finding the Fourth Proportional to 4,786,777.14, 7,169,609.78 and 3,956,689.14

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Solution

The fourth proportional to 4,786,777.14, 7,169,609.78 and 3,956,689.14 is: 5,926,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786,777.14 : 7,169,609.78 = 3,956,689.14 : x
  2. Step 2: Convert to fraction form
    4,786,777.14/7,169,609.78 = 3,956,689.14/x
  3. Step 3: Cross multiply
    4,786,777.14x = 7,169,609.78 × 3,956,689.14
  4. Step 4: Simplify right side
    4,786,777.14x = 28,367,917,154,563.79
  5. Step 5: Solve for x
    x = 28,367,917,154,563.79/4,786,777.14
  6. Step 6: Final answer
    x = 5,926,308.31

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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.