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Finding the Fourth Proportional to 5,338,659.80, 8,007,212.10 and 1,551,747.80

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Solution

The fourth proportional to 5,338,659.80, 8,007,212.10 and 1,551,747.80 is: 2,327,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,659.80 : 8,007,212.10 = 1,551,747.80 : x
  2. Step 2: Convert to fraction form
    5,338,659.80/8,007,212.10 = 1,551,747.80/x
  3. Step 3: Cross multiply
    5,338,659.80x = 8,007,212.10 × 1,551,747.80
  4. Step 4: Simplify right side
    5,338,659.80x = 12,425,173,760,308.38
  5. Step 5: Solve for x
    x = 12,425,173,760,308.38/5,338,659.80
  6. Step 6: Final answer
    x = 2,327,395.68

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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.