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Finding the Fourth Proportional to 3,612,091.74, 4,984,910.55 and 2,002,459.74

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Solution

The fourth proportional to 3,612,091.74, 4,984,910.55 and 2,002,459.74 is: 2,763,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,091.74 : 4,984,910.55 = 2,002,459.74 : x
  2. Step 2: Convert to fraction form
    3,612,091.74/4,984,910.55 = 2,002,459.74/x
  3. Step 3: Cross multiply
    3,612,091.74x = 4,984,910.55 × 2,002,459.74
  4. Step 4: Simplify right side
    3,612,091.74x = 9,982,082,683,876.26
  5. Step 5: Solve for x
    x = 9,982,082,683,876.26/3,612,091.74
  6. Step 6: Final answer
    x = 2,763,518.59

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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.